True- The medulla oblongata has many important features and functions.
It is a conduit for many ascending and descending nerve tracts that carry the information between the brain and spinal cord. It holds the organs that control crucial bodily processes including breathing, blood pressure, and heart rate.
The last section of the brainstem is called the medulla oblongata. It is located underneath the tentorium cerebelli in the posterior cerebral fossa. The pontomedullary junction is formed when the rostral medulla connects superiorly to the pons. Just above the starting point of the first pair of cervical spinal nerves, the caudal medulla extends inferiorly onto the spinal cord. Numerous significant traits and abilities are present in the medulla oblongata.
Many ascending and descending neural networks that transmit information between the brain and spinal cord use it as a conduit.
It holds the organs that control crucial bodily processes including breathing, blood pressure, and heart rate.
It houses the nuclei of the glossopharyngeal nerve (CN IX), vagus nerve (CN X), accessory nerve (CN XI), and hypoglossal nerve, which are the four inferiormost cranial nerves (CN XII).
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Part a. A plate inoculated with a sample volume of 10^-7 mL produced 170 colonies. What was the original concentration in the sample? Show work.Part b. After incubation, how many colonies should be on the 10^-8 mL plate from the dilution series in Part a? Show work.Part c. After incubation, how many colonies should be on the 10^-6 mL plate from the dilution series in Part a? Show work.
the serial dilution, solution for the original concentration in the sample is 170 colonies, solutions are A-10^-7 mL=1.7 x 10^9 cfu/mL
After incubation, 10^-8 mL x 1.7 x 10^9 cfu/mL= 17 colonies should be on the 10^-8 mL plate from the dilution series in Part a , c-10^-6 mL x 1.7 x 10^9 cfu/mL= 1700 colonies. Serial dilutions are created by repeating the same dilution step, with the previous dilution serving as the input to the next dilution in each step. The dilutions are a geometric series because the dilution-fold is the same in each step (constant ratio between any adjacent dilutions). A small amount of a well-mixed solution is transferred into a new container, and more water or other solvent * is added to dilute the original solution. The diluted sample is then used as the base solution for further dilution.
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is there a difference between motor commands going to skeletal muscles amd motor commands going to visceral organs? locate the spinal cord where the two different types of motor commands originat from
The skeletal muscle is the sole voluntary muscle in the human body. Every voluntary physical motion, including speaking or running, requires skeletal muscle. Visceral muscle is found inside blood arteries, the stomach, as well as other vital organs.
What carries signals from the spinal cord that control movement?
The spinal cord serves as a conduit for communications between both the body and the CNS. The head and neck are directly connected to the brain through the cranial nerves, but the spine receives sensory information and transmits motor instructions to the body via the spinal nerves.
The primary motor cortex is found in the precentral gyrus of the frontal lobe. This area is where the majority of the brain impulses that eventually cause the execution of voluntary actions are generated.
Therefore, The spinal cord serves as a conduit between the body and the CNS.
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what feature of fats makes them hydrophobic
The hydrogen ions released by the dissociation of carbonic acid are buffered by their A) transport into the erythrocyte as sodium ions move out. B) transport out of the erythrocyte as a sodium ion moves in. C) active transport out of the erythrocyte. D) binding to DNA within the nucleus. E) binding to hemoglobin.
The hydrogen ions released by the dissociation of carbonic acid are buffered by their transport into the erythrocyte as sodium ions move out option A is correct.
what are hydrogen ions?
A hydrogen ion is a positively charged molecule as a result of it loosing an electron. Which is also the nucleus of a hydrogen atom separated from its accompanying electron.
what is erythrocyte ?
literally it is referred to as Red blood cell, red blood corpuscles, haematids, erythroid cells etc. This is also type of blood cell that is made in the bone marrow and found in the blood. Erythrocytes contain a protein
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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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if you have a choice of what you are going to hit in a crash, hit the object ___________
if you have a choice of what you are going to hit in a crash, hit the object the least force.
What is force ?
Force is either pushing or pulling of any object resulting from the object’s interaction or movement, without force the objects can not be moved, can be stopped or change the direction.
It is a quantitative interaction between two physical bodies, means an object and its environment, there are different types of forces in nature.
If an object in its moving state will be either static or motion, the position of the object will only be changed if it is pushed or pulled and The external push or pull upon the object called as Force.
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Cancer cells can be characterized as ""generic"" cells that perform no specialized body function. Thus cancer cells lack ________. a. differentiation b. reproduction c. responsiveness d. both reproduction and responsiveness
Cancer cells can be characterized as ""generic"" cells that perform no specialized body function, thus cancer cells lack differentiation and is therefore denoted as option A.
What is Differentiation?This a term which is referred to as the process in which the cell grows and becomes specialized which depicts that it is now able to do some special body function. Examples include red blood cells which are able to distribute oxygen and nutrients to other parts pof the body.
In this scenario, we were told that cancer cells aren't able to perform specialized body function which depicts differentiation and is therefore the reason why it was chosen as the correct choice.
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the theory of endosymbiosis and history of life on earth allows one to predict that the gene sequences that are responsible for encoding functional, mitochondrial ribosomes in a particular tree likely share many similar nucleotides in the sequences from the ribosomal genes of other plant species bacterial species other tree species
The theory of endosymbiosis and the history of life on earth allows one to predict that the gene sequences that are responsible for encoding functional, mitochondrial ribosomes in a particular tree likely share many similar nucleotides in the sequences from the ribosomal genes of other bacterial species (Option II).
What is the theory of endosymbiosis?The theory of endosymbiosis is a model to explain the origin of eukaryotic cells, which postulates that these types of organisms evolved as a consequence of symbiotic relationships between primitive bacterial cells that converted into mitochondria and chloroplasts in animals and plants.
Therefore, with this data, we can see that the theory of endosymbiosis is based on the scientific idea that eukaryotic cells as observed in plants and animals generated due to symbiosis with primitive bacterial cells that entered into the cell and performed cellular respiration and photosynthesis.
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Fiona wants to usethe scientfic method to answer the question "Do oxygen levels in the air affect rates of
photosynthesis?" She reads about photosynthesis in her biology book and is reacy to carry out the next step. What
should she do next
No, the rate of photosynthesis is not impacted by the air's oxygen content.
The following factors have an impact on the rate of photosynthesis:
The availability of sunshine, temperature, carbon dioxide content, and water are all considered to be external factors.
The internal/plant factors include the quantity and concentration of chlorophyll as well as the size, age, and orientation of the leaves, mesophyll cells, and chloroplasts.
Blackman presented the Law of Limiting Factors in the year 1905. According to this, the factor that is closest to a chemical process' minimal value determines its rate when multiple factors are at play.
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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?.
Homoplasy in biological systematics is when a trait has been gained or lost independently in separate lineages during evolution.
What is Homoplasy?
A shared trait between two or more animals that did not develop from a common ancestor is known as homoplasy. The opposite of a homology, in which two or more creatures share a common origin and the genes that gave rise to the trait, is a homoplasy. When two very distinct animal groups evolve to do the same activity, it is known as homoplasy. This is referred to as convergence or convergent evolution. An analogous characteristic is another name for a homoplasy trait. Examining some examples is the most effective technique to grasp what constitutes and does not constitute a homoplasy.
The characteristic of wings makes homoplasy the simplest to comprehend. Although wings have developed in many different forms and materials throughout the animal kingdom, flight remains their primary purpose. Wings have evolved in a variety of insects, birds, and bats. Every time, the feature developed apart from the other groups. Without a doubt, the closest living relative of birds, bats, and insects lacked wings. All lineages developed flight as a result of a comparable pressure that resulted from the lineages' diverging, or moving in different directions.
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what feature of fats makes them hydrophobic
Answer:
long hydrocarbon chain
Explanation:
hope it helps!;)
пока!
Answer: carbon chain and nonpolar covalent bonds
Explanation:
Plants use the green pigment chlorophyll to a. absorb sunlight. b. store sunlight. c. reflect sunlight. d. change light to heat.
Answer: A
Explanation:
An ASC would neverperform which of the following services?
Question 147 options:
A) Knee arthroscopy
B) Intraocular lens exchange
C) Hemorrhoid excision
D) Kidney-pancreas transplant
Question 148 (0.666666667 points)
This one-year-old boy has a midshaft hypospadias with a very mild degree of chordee. He also has a persistent right hydrocele. The surgeon brought the boy to surgery to perform a right hydrocele repair and one-stage repair of hypospadias with preputial onlay flap.
Question 148 options:
A) 54324, 55060, Q54.1, N43.3, Q54.4
B) 54322, 55040, Q54.1, N43.3, Q54.4
C) 54324, 55060-51, Q54.1, N43.3
D) 54322, 55041-51, Q54.1, N43.3
The answers include the following:
An ASC would never perform a Kidney-pancreas transplant and is denoted as option D.The code for the conditions such as one-stage repair of hypospadias is 54322, 55041-51, Q54.1, N43.3 ba dis denoted as option D.What is Medical coding?This is referred to as the process in which medical diagnosis and treatments are translated into numeric and alphanumeric characters in other to prevent ambiguity during documentation.
ASC is referred to as ambulatory surgery center and perform surgeries such as knee arthroscopy, intraocular lens exchange etc but are unable to perform transplants hence option D was chosen.
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which of the following phenotypic classes reflect offspring that were generated as a result of a crossover event? select all that apply. which of the following phenotypic classes reflect offspring that were generated as a result of a crossover event?select all that apply. garnet eyes miniature wings, garnet eyes miniature wings wild type
The offspring with two different phenotype classes that are formed by crossing over are wild type miniature wings , garnet eyes.
What do you mean by Phenotype?
The term "phenotype" describes a person's distinguishable characteristics, such as height, eye colour, and blood type. Both a person's genetic make-up (genotype) and environmental circumstances affect their phenotype.What does the term "genotype" and "phenotype" mean? EXPLAIN BRIEFLY.
A person's genotype is made up of all the alleles they have for a certain gene. The sum of a person's attributes or observable features is their phenotype. The phenotype of an organism is only impacted by its genotype, which is directly inherited from its parents.To know more about phenotype, checkout this link:
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Drag each label into the appropriate position to identify whether the statement depicts something true or false about the specimen pictured below: - contains connective tissues- visible directional orientation of collagen fibers- found in areas where bones are joined via cartilage- same tissue category as blood- a larger portion of extracellular matrix to cells- functions to resist shock; - seen in tendons
- contains dense irregular connective tissue
- contains a perichondrium
- chondrocytes in clusters of 3-4 arranged in clumps
TRUE Statement
- contains connective tissues
- visible directional orientation of collagen fibers
- found in areas where bones are joined via cartilage
- same tissue category as blood
- a larger portion of extracellular matrix to cells
- functions to resist shock
FALSE Statement
- seen in tendons
- contains dense irregular connective tissue
- contains a perichondrium
- chondrocytes in clusters of 3-4 arranged in clumps
What is perichondrium?
The cartilage of growing bones is surrounded by a layer of dense, wavy connective tissue called the perichondrium. It is made up of an inner chondrogenic layer and an exterior fibrous layer. Fibroblasts in the fibrous layer create collagenous fibers. The chondrogenic layer can produce chondroblasts and is yet undifferentiated. Both hyaline cartilage and elastic cartilage have perichondrium at their edges.
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stimulation of uterine muscle contractions during childbirth is triggered by . group of answer choices
Stimulation of uterine muscle contractions during childbirth is triggered by oxytocin.
Oxytocin is a natural hormone that stimulates uterine contractions during childbirth and lactation after birth. It also affects human behavior and the male and female reproductive system.
Uterine contractions are muscular contractions of uterine smooth muscle that occur during the menstrual cycle and labor. Uterine contractions arise all through the menstrual cycle withinside the non-pregnant kingdom and all through pregnancy.
Labor causes discomfort and dull pain in the back and lower abdomen along with pressure in the pelvis. Some women also experience pain in the sides and thighs. Some women describe labor as strong menstrual cramps, while others describe it as strong waves like spasms of diarrhea.
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photorespiration occurs mainly in
Answer:
C3 plants
Explanation:
Photorespiration occurs mainly in C3 plants.
What do you mean by photorespiration?When the enzyme RuBisCO oxygenates RuBP, a process known as photorespiration occurs in which some of the energy from photosynthesis is lost.
The evolution of CO2 during photosynthesis is known as photorespiration. It results from the fact that rubisco can function as either an oxygenase or a carboxylase (incorporating CO2) (incorporating O2). Rubisco functions primarily as a carboxylase when there are relatively high CO2 levels present.
The plant uses oxygen and ATP, releases carbon dioxide, and reduces photosynthetic production during photorespiration, a metabolic process.
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the male gametophyte in seed plants is called a
The male gametophyte of seed plants is called pollen.
What is the name of the male seed plant gametophyte? When is it distributed?Gymnosperms (as well as flowering plants) produce pollen to serve as a carrier for the dispersal of sperm. Pollen is carried by wind currents by gymnosperms. Male gametophytes are the grains of pollen. They use insects or the wind to move the sperm cells within the pollen grain; no liquid water is required.
The female megagametophyte, or embryo sac, is another name for this organism. The male gametophyte, also referred to as the pollen grain or the microgametophyte, grows inside the anther and is made up of two sperm cells enclosed in a vegetative cell.
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which of the following is most closely related to a lizard? group of answer choices salamander bird lamprey chimaera
The choice of animal most closely related to lizards is the salamander.
Explanation of lizards and salamandersSalamanders and lizard are tetrapods. Both are cold blooded vertebrate animals. Both salamanders and lizards are similar in appearance. But, Salamanders and lizards are ectotherms or cold-blooded animals which means they cannot generate their own body heat like mammals. To control their body temperature, salamanders and lizards get heat from their surroundings.
Salamanders are amphibians with moist skin without scales. Lizards are reptiles with rough, scaly skin. Salamanders live in humid environments while lizards are adapted to live in terrestrial environments. The main difference between salamanders and lizards is the phylogenetic adaptation of the two types of animals.
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apa goal 2 effects of supplements on memory
apa goal 2 effects of supplements on memory is fish oil.
What are the goals?The goals or aim is to provided by the APA for the Psychology Major are Knowledge base, Scientific inquiry and critical thinking, Ethical and social responsibility in a diverse world, Communication, Professional development.
five comprehensive learning goals put forth by the APA for the Psychology are Publication of Student Research, Helping skills, Communication
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your question was incomplete, thus the complete question is
apa goal 2 effects of supplements on memory
1. fish oil
2. b vitamins
3. ginkgo biloba
4. excercise
5. coconut oul
fossilized tree sap, also known as blank, prevents scavengers, water, and oxygen from getting to the organism and destroying its remains.fossilized tree sap, also known as blank, prevents scavengers, water, and oxygen from getting to the organism and destroying its remains.
fossilized tree sap, also known as amber, prevents scavengers, water, and oxygen from getting to the organism and destroying its remains.
Amber is a fossilized tree sap that has been prized since Neolithic times for its color and natural beauty. Amber has long been valued as a gemstone, and it is now used to create a variety of decorative objects. Tree resin is a fluid (Sap) produced by plants (most commonly trees), but it is not the same as sap. Sap is a watery, sweet substance, whereas resin is thicker and stickier. Frankincense, Myrrh, Benzoin, and Copal are examples of well-known resins.
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which choice below is the correct phylogenetic order from largest, most inclusive group to smallest, most exclusive group? group of answer choices ecdysozoa > arthropoda > protostomia > insects protostomia > ecdysozoa > arthopoda > insects ecdysozoa > protostomia > arthopoda > insects arthropoda > protostomia > insects > ecdysozoa
Phylogenetic order from the largest most inclusive group to the smallest and most exclusive group: Protostomes > Ecdysozoa > Arthropods > Insects.
Phylogeny is a classification description that shows the kinship relationship of a species with its ancestors and the evolutionary relationship between organisms.
Protostomes are divided into two groups:
Lophotrochozoa - these include segmented worms, mollusks, lophophores and several more obscure phyla.Ecdysozoa include arthropods and several other phyla that occasionally molt.Arthropods are triploblastic protostomes. They also have a nervous system with a dorsal "brain", an oropharyngeal nerve, and a pair of ventral nerves. Like annelids, their bodies are segmented both internally and externally. This is taken as evidence that annelids and arthropods are closely related. We now believe that segmentation is a convergent property.
Insects are the most successful group of organisms on the planet. Every third species of organism is an insect. During its development, the insect acquires several features that contribute to its success. The earliest insects lacked wings: The evolution of insect wings was a milestone - the first creatures to soar into the sky ruled the skies for 100 million years.
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art-labeling activity: sagittal section of internal structures of the eye
The sagittal section of internal structures of the eye consist of the transparent body behind the Iris known as Eye lens.
What is Iris?The Iris is the colored part in the front of your eye.
Iris consist of pupil.Iris facilitates the contraction of pupil which helps in controlling the amount of light entering the Eye .It protects our eyes from microorganisms.Because of Iris color detection is possible. Eye lens:It is a biconvex structure in our eyes.It is present with cornea it helps in the refraction of light to the retina.Sometimes these lenses get defected then artificial contact lenses are used to correct the defect.To know more about Iris visit
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The translucent body behind the iris known as the eye lens is included in the sagittal region of the eye's internal architecture.
Describe Iris.
The colored area in front of your eye is called the iris.Iris is made up of pupils.The iris makes it easier for the pupil to constrict, which aids in regulating how much light enters the eye.It shields our eyes from microbes.Color detection is achievable thanks to the iris.Eye lens
In our opinion, it is a biconvex structure.It aids in the refraction of light for the retina when it is present with the cornea.Artificial contact lenses are used to fix these lenses' defects when they occur.To learn more about Iris
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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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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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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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People infected with chlamydia are often symptom-free, which increases the chance of their infecting other people. True False
True
Even in the absence of symptoms, chlamydia may create serious problems.
There is evidence that chlamydia raises the risk of contracting other STIs, including HIV and gonorrhea.
It's important for women to be tested for chlamydia because it may cause pelvic inflammatory disease, which can spread to the uterus, fallopian tubes, and ovaries (PID). Lower abdomen discomfort, heavier and more painful menstrual cycles, fever, and vomiting are all potential symptoms of PID. Scar tissue forms in PID, which can lead to either a complete blockage of the fallopian tubes and subsequent infertility or a partial blockage and subsequent tubal (ectopic) pregnancy.
Epididymitis, an infection of the testicles, may result from untreated chlamydia in men.
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classify each mutation example as definitely positive, definitely negative, or most likely neutral. each category has two examples. you are currently in a sorting module. turn off browse mode or quick nav, tab to items, space or enter to pick up, tab to move, space or enter to drop. beneficial mutations neutral mutations harmful mutations answer bank
A beneficial mutation is one that has a good effect on an organism. These mutations are uncommon yet important. The benefit that a beneficial mutation provides the organism is passed down from generation to generation, increasing the chances of survival for the offspring.
Neutral mutations:
Neutral mutations are changes in DNA sequence that are neither beneficial nor harmful to an organism's ability to survive and reproduce. In population genetics, neutral mutations are mutations in which natural selection has no effect on the spread of the mutation in a species.
Harmful mutations: Mutations that are harmful can result in genetic diseases or cancer. A genetic condition is an illness that results from a mutation in one or more genes. Cystic fibrosis is a human example. A single gene mutation causes the body to produce thick, sticky mucus, which clogs the lungs and blocks ducts in digestive organs.
What is mutation?
A mutation is a change in an organism's DNA sequence. Mutations can occur as a result of errors in DNA replication during cell division, mutagen exposure, or viral infection.
What causes mutation?
Mutations can occur as a result of mistakes in DNA replication during cell division, mutagen exposure, or viral infection. Germline mutations (those that occur in eggs and sperm) can be handed on to offspring, but somatic mutations (those that originate in body cells) cannot.
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Full Question: Classify each mutation example as definitely positive, definitely negative, or most likely neutral. Each category has two examples.
art-labeling activity main nerves of the brachial plexus
The art-labeling activity main nerves of the brachial plexus is given in the image attached.
How many nerves does the brachial plexus have?There are five main nerve branches that branch off from the brachial plexus and travel down the arm: cutaneous nerve of the muscles: flexes muscles in the upper arm at the shoulder and elbow and originates from nerve roots C5 to C7.
The radial, musculocutaneous, median, ulnar, and axillary nerves are the brachial plexus' five terminal branches.
Note that the network of nerves called the brachial plexus is what carries signals from the spinal cord to the shoulder, arm, and hand. A brachial plexus injury happens when these nerves are compressed, stretched, or in the most severe scenarios, torn apart or severed from the spinal cord.
Therefore, one can say that for the motor and sensory innervation of the upper extremities, including the shoulder, arm, and hand, the brachial plexus is said to be a significant network of nerves that transmits signals.
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conjunctivitis can be caused by both bacteria and viruses. bacterial infections often present with a discharge, whereas a clear exudate is characteristic of infections. neonates can suffer from conjunctivitis following a birth if the mother has an active infection of either neisseria gonorrhoeae or .
The mother has an active infection of either neisseria gonorrhoeae or Gonococcal conjunctivitis tht is developed in newborn.
However, pregnant girls with gonorrhea can transmit the contamination to their infants all through vaginal delivery. This occurs due to the fact the toddler comes into touch with the mother's genital secretions. Symptoms in inflamed babies generally seem to 5 days after delivery. Conjunctivitis can end result from many causes, which include viruses, bacteria, allergens, touch lens use, chemicals, fungi, and sure diseases.
This is resulting from micro organism known as Neisseria gonorrhea. A new child infant can select out up this form of micro organism throughout vaginal beginning from an inflamed mother. This extreme form of conjunctivitis can be averted with using eye drops in newborns at beginning.
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