Step 1 - Resting Potential. Sodium and potassium channels are closed. ...
Step 2 - Depolarization. Sodium channels open in response to a stimulus.
Step 3 - Repolarization. Na+ channels close and K+ channels open. ...
Step 4 - Resting Conditions Re-established. Na+ and K+ channels are closed.
What is resting potential?
The different membrane permeabilities for potassium, sodium, calcium, and chloride ions are what cause the resting potential, which in turn is brought on by the operation of numerous ion channels, ion transporters, and ion exchangers. A neuron is an illustration of a cell that can be electrically excited. In relation to its surroundings, the neuron is negatively charged when at rest. Due to the following circumstances: The plasma membrane of the neuron is impermeable to the positively charged ion, Na+, and the negatively charged ion, Cl-, when the cell is at rest. The concentration variations, also known as gradients, of many ions across the cell membrane are related to the resting potential of neurons. As a result, many distinctions have higher concentrations outside of the cell than inside, where the concentrations are lower.
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A trait that is found in and shared by two or more species, but is not derived from a common ancestor is known as?.
Wherein a trait turned into present inside the ancestral species it is stated to be a homologous trait. If the trait became now not a gift within the ancestral species but appeared independently in the lineages, it is known as an analogous trait that arose thru evolutionary convergence.
A synapomorphy is a shared, derived person, common among an ancestor and its descendants. A man or woman, or trait, is something observable approximately the organism.
Tendencies that get up via convergent evolution are called analogous structures they're contrasted with homologous structures, which have a not unusual starting place. the alternative to convergent evolution is 'divergent evolution wherein related species evolve extraordinary traits.
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Which of the following bacterial structures is never involved in attachment to host cells?
Group of answer choices Choose that apply
Gycocalyx
Flagellum
Capsule
Fimbriae
Slime layer
The right response is Fimbriae. The body wall is covered in tiny, hair-like structures called fimbriae.
Which of the following features located outside of bacterial cell walls is responsible for bacterial adhesion to surface?The oligomeric protein known as pilin makes up the extensions of the cytoplasmic membrane known as fimbriae and pili. They are flagella-like extensions found on the bacterial cell wall that resemble hairs. They play a role in bacterial movement, surface adhesion, and conjugation.
Which bacterial structures are employed for cellular attachment?Thin, filamentous appendages known as fimbriae, which can number in the tens or hundreds, protrude from the cell. They are made up of pilin proteins, and the cell uses them to cling to surfaces.
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Neurons that have one axon and one dendrite, with the soma in between, are called.
Neurons that have one axon and one dendrite, with the soma in between, are called bipolar neurons.
One axon and one dendrite protrude from the soma of a bipolar neuron. The retinal bipolar cell, which receives signals from light-sensitive photoreceptor cells and transfers them to ganglion cells, which then transmit the signal to the brain, is an illustration of a bipolar neuron.A synapse is a point where the dendrites or cell bodies of two different neurons are connected by the branches at the end of their axons. From one neuron to another, nerve impulses are transmitted through this junction.A neuron is referred to as a unipolar neuron if just one process, known as a neurite, protrudes from the cell body. After that, the neurite divides into dendritic and axonal processes. Invertebrate nervous systems, particularly those of insects, include the majority of unipolar neurons.
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Covalent modification generally turns off genes by attracting proteins that bind to methylated cytosines and block gene transcription.
a) DNA Methylation
b) miRNA
c) RNAi
d) tRNA
The correct option among the following was DNA Methylation.
define DNA Methylation ?
A biological process called DNA methylation involves the addition of methyl groups to the DNA molecule. Without altering the sequence, methylation can modify the activity of a DNA region. DNA methylation often suppresses gene transcription when it occurs at a gene promoter. DNA methylation plays an important role in a variety of critical processes in mammals, including ageing, cancer, X-chromosome inactivation, genomic imprinting, and transposable element suppression.
Adenine and cytosine are the two nucleobases on which natural, enzymatic DNA methylation occurs as of 2016. N6-methyladenine[1], 5-methylcytosine[2], and N4-methylcytosine are the modified bases. [3]
The DNA nucleotide cytosine is methylated to create 5-methylcytosine at position 5 on the pyrimidine ring. This is the same place that separates thymine from the homologous RNA base uracil, which has no methyl group. 5-Methylcytosine undergoes spontaneous deamination and is changed into thymine. A T:G mismatch emerges from this. If A is substituted for G, the original C:G pair becomes a T:A pair, thus altering a base and producing a mutation. Repair mechanisms then fix it back to the original C:G pair.
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Answer and match them
Answer:
Answered (?)
Explanation:
1. C
2. E (?)
3. F
4. D
5. B
6. A
I wasn't sure about E because for me I would say that means 'extinction' but that's not an answer, I tried my best and hope this helps!
energy yielding nutrients include
Energy yielding nutrients include fats, carbohydrates, and proteins as they provide energy to the body.
How does these three nutrients provide energy?Fats :
Lipids are another name for fats. Fat is the nutrient with the highest energy density or energy content, with 9 calories per gram of fat. The second most prevalent form of nutrient in food is fat. They give the body's cells the energy they need to function, and they also support strong immune systems and healthy skin and hair. For future usage, such as during pregnancy or when energy needs alter, fats are stored in fat cells. Foods like seeds, nuts, seafood, dairy products, and vegetable oils are sources of unsaturated fats.Carbohydrates:
The most prevalent form of nutrient in meals is carbohydrate. They are in charge of bringing sweetness to fruits and vegetables.Energy can be obtained from both simple and complex carbs, but only complex carbohydrates also include vitamins and minerals.Simple carbs consist of starch and sugar (glucose) (polysaccharides). Fruit sugars (fructose), milk sugars (lactose), and grain sugars are examples of complex carbohydrates (maltose and galactose). Another kind of carbohydrate is fiber. For those trying to reduce weight, a diet high in complex carbs and low in processed foods is advised.Proteins:
Protein is an excellent source of fuel for the body, and it can aid in muscle recovery and help you feel your best after working out.Thus, if you lead an extremely active lifestyle, protein can be highly advantageous.A macronutrient is referred to as protein. This indicates that it is a nutrient that the body need in significant amounts for energy and as a crucial component of any diet.Although it is most frequently found in animal products, plant-based sources like nuts and legumes also contain a significant amount of it. Everyone is aware that the body needs food for energy. But you might not be aware that a significant amount of the body's energy comes from protein.What is energy yielding nutrient?The nutrients in meals that the body really uses to produce energy are known as energy-yielding nutrients. The macronutrients are another name for them. Micronutrients and macronutrients are both types of nutrients. A lot of macronutrients are required, and the majority of them are energy-giving (fiber is sometimes considered a macronutrient but does not provide energy). Micronutrients are necessary in small amounts to ensure that various bodily functions run smoothly, but because they do not instantly convert to energy, they are not considered to be an energy-yielding nutrient.
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Which of the following statements are true about an IV set up? a. Line markings indicate how much fluid has infused into the patient. b. The injection port provides needle-less entry into the IV tubing. c. The IV bag includes information about the type and volume of IV solution d. The slide clamp compresses the tubing to allow IV flow rate to be increased or decreased e. The line markings on all primary IV bags start with a "0"
The correct statements about the IV set are:
Line markings indicate how much fluid has been infused into the patientThe IV bag includes information about the type and volume of the IV solutionThe line markings on all primary IV bags start with a "0".What is an infusion set?
It is the fastest mode of transfer of fluids throughout the body from a sterile glass. It is not used in the transfer of blood and blood-related products.
Features of IV set:
Sharp spike for easy piercing with an antibacterial snap capSmooth roller clamp for regulating the flow rateThe Latex-free bulb at the distal end for intermittent medicationApproximately 20 drops/ml. Kink-resistant PVC tubingRotating lulerlockVented, Non-Vented and Micro-dripDEHP free materialHence, options a, c, and e are the correct statements
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The correct statements about the IV set are: option a, c and e.
Line markings indicate how much fluid has been infused into the patientThe IV bag includes information about the type and volume of the IV solutionThe line markings on all primary IV bags start with a "0".What is an infusion set?It is the fastest mode of transfer of fluids throughout the body from a sterile glass. It is not used in the transfer of blood and blood-related products.
Features of IV set:
Sharp spike for easy piercing with an antibacterial snap capSmooth roller clamp for regulating the flow rateThe Latex-free bulb at the distal end for intermittent medicationApproximately 20 drops/ml.Kink-resistant PVC tubingRotating lulerlockVented, Non-Vented and Micro-dripDEHP free materialHence, options a, c, and e are the correct statements
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Diagram the plasma membrane; label each component.
The plasma membrane, also known as the cell membrane, is the membrane found in all cells that separates the cell's interior from its surroundings.
What is the plasma membrane about?A cell wall is attached to the plasma membrane on the outside of bacterial and plant cells. Most plasma membranes are approximately 50% lipid and 50% protein by weight, with glycolipids and glycoproteins accounting for 5 to 10% of the membrane mass.
The plasma membrane shields the cell from its surroundings, facilitates cellular transport, and transmits cellular signals. The plasma membrane structure is described by the fluid mosaic model as a mosaic of phospholipids, cholesterol, proteins, and carbohydrates.
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Write the correct answer on the line provided.
Carmella Espinoza underwent ________ for the treatment of spider veins
Carmella Espinoza underwent sclerotherapy for the treatment of spider veins.
What are Spider veins?Spider veins are defined as tiny, red, purple and blue vessels which twist and turn that are easily visible even through the skin affecting capillaries which are the smallest blood vessels in the body that are red or blue, look like a spider web or a tree branch. These usually appear on the legs and face.
Several risks of spider veins which include:
HeredityOccupations which involve a lot of standing, for example, nurses, hair stylists, teachers, and factory workersObesityHormonal influences such as pregnancy, puberty, and menopause.The treatment which is required is sclerotherapy for the treatment of spider veins.
Thus, Carmella Espinoza underwent sclerotherapy for the treatment of spider veins.
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Cells that have absorbed melanin to distribute pigmentation to other cells are located in what layer of the skin?.
Answer:
k
Explanation:
In what respect do hominins differ from all other anthropoids?
lack of a tail
bipedal posture
eyes located on the front of the face
opposable thumbs
Hominin differ from all the other arthropods in the presence of bipedal posture. Thus, the correct option is B.
What are Hominins?Hominin is the group which consists of the modern humans, extinct human species and all our immediate ancestors including the members of the genera Homo, Australopithecus, Paranthropus and Ardipithecus.
Hominins differ from that of all the other arthropods in the presence of the bipedal posture. Bipedal posture is a mode of locomotion which is found in many of the primates and birds, in which only the hind limbs are used for the purpose of walking.
Therefore, the correct option is B.
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place each choice in its correct position on the typical multipolar neuron in the figure. place the anatomical names of neuron structures above the neuron. place the events that occur at the bracketed locations below the neuron.
Multipolar neurons are neurons from the central nervous system. They are composed of an ovoid cell body with several dendrites emerging from it, a long axon, and axon terminals. Graded potential occurs in the neuronal soma, while action potential occurs in the axon.
What is a multipolar neuron?
Neurons are formed in general by
A cellular body, soma,Dendrites, which are cytoplasmic extensions that receive stimuli from other cells, and An axon, which is a long formation capable of conducting the electrochemical signals.
Multipolar neurons are the ones that have a single axon and several dendrites.
Dendrites emerge from an ovoidal soma, and extend in different directions, creating a net and increasing the neuronal area to receive stimuli.
Axons are very large and covered by Schwann cells, facilitating impulse transmission.
These neurons are usually located in the central nervous system and integrate information coming from other nerve cells.
Every neuron forms connections with other neurons. These connections are known as synapsis.
As it happens in every synapsis between neurons when a presynaptic neuron sends information, a neurotransmitter is released.
Neurotransmitters are chemical substances that travel through the synaptic cleft to the junctional area of the other neuron and bind to its receptors in the postsynaptic membrane.
This binding produces a depolarization of the cell called an excitatory postsynaptic potential.
Graded potential initiates in the soma and dendrites.An action potential is initiated in the axon and spreads to the rest of the membrane depolarizing it.
In the image,
Anatomical names from the left to the right: dendrite, body cell, initial segment of the axon, axon, axon terminals.Events from the left to the right: graded potential, action potential.You can learn more about multipolar neurons at
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Please help!
What is the mRNA sequence that will be formed from the DNA sequence below?
TAC CGG ATG CCA GAT CAA ATC
Answer:
Answer:
AUG GCC UAC GGU CUA GUU UAG
Explanation:
T=A
A=U
G=C
C=G
AUG GCC UAC GGU CUA GUU UAG is the mRNA sequence that will be formed because in RNA, Thymine is replaced by Uracil.
What is nucleotide sequence?A nucleic acid sequence is a succession of bases that is denoted by a series of a set of five different letters. These letters show the order of nucleotides that form alleles inside a molecule of DNA or RNA. A nucleic acid sequence can be found in either DNA or RNA. It is customary to begin the presentation of a series at the 5' end and work backwards to the 3' end. In the case of DNA, the sense strand is the one that is utilised.
The understanding of a gene or genome's nucleotide sequence is the most fundamental level of such information. RNA nucleotides may also contain the bases adenine, guanine, and cytosine; but, in place of thymine, they contain an additional pyrimidine base termed uracil (U).
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Pseudohypertrophic muscular dystrophy is an inherited disorder that causes gradual deterioration of the muscles. It is seen almost exclusively in boys born to apparently normal parents and usually results in death in the early teens. Is this disorder caused by a dominant or recessive allele? Is its inheritance sex-linked or autosomal? How do you know? Explain why this disorder is almost never seen in girls.Recessive; if the disorder were dominant, it would affect at least one parent of a child born with the disorder. The disorder's inheritance is sex-linked because it is only seen in boys. For a girl to have the disorder, she would have to inherit recessive alleles from both parents. This would be very rare, since males with the recessive allele on their X chromosome die in their early teens.
Pseudohypertrophic muscular dystrophy is an inherited Recessive disorder.
If the disorder were dominant, at least one parent of a child who was born with the disorder would be affected. As it only affects boys, the disorder is inherited in a sex-linked manner. It would take recessive alleles from both parents for a girl to inherit the disorder. Given that males with the recessive allele on their X chromosome usually pass away in their early teens, this would be extremely uncommon.
Define Pseudohypertrophic muscular dystrophy .
Gowers first highlighted the familial nature of PROGRESSIVE muscular dystrophy shortly after it was first identified more than a century ago. The disease, which has comparable symptoms in affected family members, might differ in its route of inheritance and clinical features from kindred to kindred. The most prevalent variant, first identified by Duchenne in 1868, is passed on as an X-linked recessive trait. These affected males typically begin to have muscle weakness in their pelvic femoral muscles before the age of six, experience rapid progression of their muscle weakness, develop pseudohypertrophy of the calves, become chair-bound by the age of twelve, and pass away by the age of twenty.
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What would happen to a cell that didn’t replicate its dna before cell division?
The cell will not proceed with the further processes.
What is equational division?
Chromosome replication and equal distribution between the two daughter cells occur during the cell division process known as mitosis. Each daughter cell has the same number of chromosomes as the parent cell, making them diploid. Thus, mitosis is also referred to as equational division.
Unequal division will result if the cell didn't replicate prior to actually cell division. As a result of the checkpoints, it won't move on to the next step. The checkpoint will later start the apoptosis process, which results in programmed cell death.
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outline the process of transcription in the nucleus including the
Initiation, elongation, and termination are the three steps of transcription that are depicted here. Initiation, elongation, and termination are the three stages of transcription.
What are the four steps in the transcription process?The process of copying DNA to create a complementary strand of RNA is called transcription. After that, RNA is translated to become proteins. Initiation, promoter removal, elongation, and termination are the four main phases of transcription.
In what transcription does the nucleus engage?Transcription takes place in the cell's nucleus since the genes are bound there, but the mRNA transcript needs to be delivered to the cytoplasm. In prokaryotes, which include bacteria and archaea, transcription takes place in the cytoplasm of the cell since these organisms lack organelles and membrane-bound nuclei.
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Label the compounds and stages of photosynthesis. Drag the appropriate labels to their respective targets. Reset Help H2O Group 1 Group 1 CO2 Light Group 1 02 Sugar Group 2 Group 2 Light reactions Group 1 Calvin cycle NADPH + ATP Group 1 Group 1 NADP+ + ADP +P:
The process by which plants convert carbon dioxide, water, and sunshine into oxygen and sugar-based energy is known as photosynthesis.
What is photosynthesis?Plants absorb water (H2O) and carbon dioxide (CO2) from the soil and atmosphere during photosynthesis.
Water is oxidized, which means it loses electrons, while carbon dioxide is reduced, which means it receives electrons, inside the plant cell. Water is converted into oxygen and carbon dioxide into glucose as a result.
After storing energy within the glucose molecules, the plant releases the oxygen back into the atmosphere. Light-dependent reactions and light-independent reactions are the two main stages of photosynthesis.
Therefore, The process by which plants convert carbon dioxide, water, and sunshine into oxygen and sugar-based energy is known as photosynthesis.
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the transfer of a high energy phosphate group from a phosphorylated organic molecule to adp is referred to as
The transfer of a high energy phosphate group from a phosphorylated organic molecule to adp is referred to as substrate-level phosphorylation.
What is ADP?
Photosynthesis and glycolysis both require ADP. It is the result of adenosine triphosphate ATP losing one of its phosphate groups. Numerous essential cellular activities are powered by the energy generated during the process. By adding a phosphate group to ADP, it can be converted back into ATP.
Therefore, The transfer of a high energy phosphate group from a phosphorylated organic molecule to adp is referred to as substrate-level phosphorylation.
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Which of the following are secondary sexual characteristics?
A
Growth of facial hairs in boys
B
Acnes in both boys and girls
C
Mammary glands in girls
D
All of the above
Characters with secondary sexual characteristics include those with facial hair, development of the breasts, chest hair beneath the arms, beards, and mustaches.
Which of these traits is secondary to sexuality?In humans, obvious secondary sex traits include pubic hair on both sexes, larger breasts and expanded hips in women, facial hair and Adam's apples on men.
What are the secondary sexual traits of men?Secondary characteristics of males include the ability to gain muscle mass more quickly than females, more body hair, pelvic build (lack of rounded hips), facial and chest hair, and increased body hair.
Girls' voices get harsh during puberty, whereas boys' voices go hoarse.
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Which of the following describes a parasagittal plane?
any sagittal plane except in the midline
two cuts dividing the body into left and right halves
a transverse cut just above the knees
any cut dividing the body into anterior and posterior portions
Answer: any sagittal plane except in the midline
Explanation:
Any sagittal plane except in the midline describes a parasagittal plane. So, the correct option is A.
What is Parasagittal plane?Parasagittal plane is defined as the vertical cut which is off-center that separates the left side of the specimen from the right side in unequal parts, it does not matter whether it is the left side or the right side which is larger, unless they are equal.
A parasagittal plane that divides the body into unequal left and right parts, but that will be parallel to the median or sagittal suture. Any sagittal plane except the midline describes the parasagittal plane. The parasagittal plane is defined as the left-right division at an angle from the vertical, or away from the mid-sagittal plane.
Therefore, the correct option is A.
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5
Use the model to answer the following question.
Which type of change caused the new combination of traits in Gametes B and C?
The new combination is an alteration in the number of sugars in DNA.
The new combination is an alteration in the chemical composition of a gene.
The new combination is a change in the chromosome composition due to crossing-over.
The new combination is a change in the chromosome number due to nondisjunction.
The new combination is a change in the chromosome composition due to crossing-over, which caused the new combination of traits in gametes B and C (Option C).
What is the process of recombination or crossing over?The process of recombination or crossing over refers to the change of genetic material between non-sister chromatids during prophase I, which increases the genetic variation of the resulting gametes.
Therefore, with this data, we can see that the process of recombination or crossing over is able to increase the genetic variation of the germinal cells.
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three babies were recently mixed up in a hospital. based on the data in the table above, the couple with blood types a and b are the actual parents of the child with blood type
Based on the data of blood types for both the couple and the babies, baby #3 with blood type AB belongs to Couple II with blood type A and B.
Why is Blood type important?Certain antigens are substances that can trigger an immune response that are considered foreign to the body. These antigens are found in blood types that determines its presence or absence.
In order for medical situations such as blood transfusion to successfully occur, blood type matching is needed. Blood type plays other important roles in genetics that include matching to identify parentage as is the case of the question where the baby with AB can only come from the parents with A and B blood type.
The full question is:
Three babies were mixed at the hospital. Given the data below, the couple with blood types a and b are the actual parents of the child with blood type?
COUPLE # I II IIIBlood type A&A A&B B&OBABY # 1 2 3Blood type B O ABLearn more on blood type here: https://brainly.com/question/15289194
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concept map connective tissues
Connective tissues are tissues that supports, protects, and gives structure to other tissues and organs in the body. All other types of tissues in the body are supported by connective tissues, which joins or divides them.
Like all tissue types, it is made up of cells encased in a space of liquid known as the extracellular matrix (ECM). In contrast to other types of tissue, connective tissue's cells are loosely rather than densely packed within the ECM.
Types of connective tissueTwo distinct forms of connective tissue are distinguished based on the cells present and the ECM structure.
Connective tissue proper; further broken down into loose and dense connective tissues.Specialised connective tissue; adipose tissues, cartilage, bone, blood, and reticular.learn more about connective tissues here;
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some substances are not normal components of urine because they are completely reabsorbed. choose the substances that satisfy this requirement under healthy conditions.
a. Filtered Plasma Proteins
b. Amino Acids
c. Glucose
d. Lactate
The substance that satisfies the requirement, under healthy conditions, is Amino Acids and glucose. The correct options are b and c.
What is urine?Urine is the wastewater that excretes from the body. Human pee is composed of 95 percent water. Minor amounts of urea (2%), creatinine (0.1%), uric acid (0.03%), chloride, sodium, potassium, sulfate, ammonium, and phosphate, as well as other ions and molecules, make up the remaining components. The filtrate contains components such as glucose, amino acids, Na+, and so on.
Therefore, the correct option is b. Amino Acids and c. Glucose.
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1. What 3 codons oct as termination signals?
2. What codon means start?
The hip joint is a good example of a(n) _________
synovial joint.
The hip joint is a good example of a ball-and-socket joint.
What is a joint?A joint is a point where two bones come together to form a framework that allows movement. Ligaments are the tissues that connect bones. Tissue connects muscles to bones via tendons.
A joint is a connection that occurs between bones in the skeletal system. It is also known as an articulation or articular surface. The ability to move is provided by the joints. The degree and type of movement of a joint are determined by its type and characteristics. Structure and function can be used to classify joints.
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Give the number of protons electrons and neutrons in neutral atoms of each of the following isotopes.
Each of the above isotopes has, in turn, the following numbers of protons, electrons, and neutrons:
a) : 5,5,5\s
b) : 80,80,119
c) : 29,29,34
d) : 6,6,7\s
e) : 34,34,43
It is referred to be an element if all of its atoms have a distinct number of neutrons despite having the same amount of protons.
Atomic number = amount of protons x number of electrons
Mass number minus proton count equals the amount of neutrons.
Number of protons, electrons, and neutrons calculation.
(a) Nuclear number is 5.
There are 5 protons.
There are five electrons.
Atomic weight is 10
Atomic number - proton count equals the amount of neutrons.
Neutron count is equal to 10 – 5 = 5.
(b) Atomic weight is 80.
80 is the proton count.
Electron count is 80.
Atomic weight is 199.
Atomic number - proton count equals the amount of neutrons.
Neutron count is equal to 199 − 80 = 119.
(c) Nuclear number is 29.
There are 29 protons.
There are 29 electrons.
Atomic weight: 63
the quantity of neutron.
(Give the number of protons, electrons, and neutrons in neutral atoms of each of the following isotopes:
(a) 10,5 B
(b) 199,80 Hg
(c) 63,29 Cu
(d) 13,6 C
(e) 77,34 Se)
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which hormone aids in regulating intestinal calcium and phosphorus absorption
Answer:
Parathyroid hormone regulates calcium levels in the blood, largely by increasing the levels when they are too low. It does this through its actions on the kidneys, bones and intestine: Bones – parathyroid hormone stimulates the release of calcium from large calcium stores in the bones into the bloodstream.
The hormone that aids in regulating intestinal calcium and phosphorus absorption is Adrenal glucocorticoids. The correct option is a.
What are Adrenal glucocorticoids?The adrenal cortex creates steroid hormones known as glucocorticoids. They have pleiotropic actions and significantly support the preservation of homeostasis at rest and in response to stress.
By increasing or lowering protein metabolism, adrenal glucocorticoids assist in controlling intestinal calcium and phosphorus absorption.
Your adrenal glands create the glucocorticoid hormone cortisol, which is then released into the body. Hormones are substances that communicate with your organs, skin, muscles, and other tissues through your blood to coordinate various bodily functions. These signals advise your body on what to do and when.
Therefore, the correct option is a, Adrenal glucocorticoids.
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The question is incomplete. Your most probably complete question is given below:
Adrenal glucocorticoids
Testosterone.
Melatonin.
Cortisol.
which bones unite to form the highlighted bone?
The highlighted bone is named the sternum. The sternum, which lies in the middle of the chest, is where the ribs connect to the body.
Which joint does the humerus's highlighted bone form?The humeral head's ball and glenoid's socket connect at the glenohumeral joint. The supraspinatus, infraspinatus, teres minor, and subscapularis muscles' tendons make up the rotator cuff, which joins the humerus to the scapula. Muscle and bone are joined via tendon.
What develops in the indicated curvature?When a child is able to sit up on their own, the lumbar curvature that is highlighted begins to develop. The structure in bold allows for head lateral rotation. The structure in bold allows for head lateral rotation.
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which of the boxes marked 1-4 correspond to plants that will be true-breeding?
The boxes marked 1-4 correspond top plant that will be true breeding is 1 and 4 only. The correct option is A).
What is true breeding?True breeding is a sort of breeding in which the parents generate kids with the same phenotype. This signifies that both parents are homozygous for all of the traits.
Aberdeen Angus cattle are an example of real breeding. True-breeding plants have the same genetic make-up for the character(s) under investigation. Pure breeds exhibit no variation and pass down the same qualities for numerous generations after self-pollination.
Therefore, the correct option is A) 1 and 4 only.
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The question is incomplete. Your most probably complete question is given below:
A) 1 and 4 only. B) 2 and 3 only. C) 1, 2, 3, and 4. D) 1 only.
