The correct sequence is FSH and LH secretion increase (because plasma estrogen concentration and exerting little negative feedback).
Your body's manufacturing ogonadotropin-freeing hormone (GnRH) influences your hormone levels, libido and fertility. In children, an excessive amount of GnRH can bring about early puberty, at the same time as too little hormone can put off puberty.
You want GnRH to make follicle-stimulating hormone and luteinizing hormone.gonadotropin levels, on the alternative hand, display failure of the terrible comments loop. This can be as a result of castration or ovarian removal, however the maximum not unusualplace motive in people is both gonadal failure, or the presence of a secretory pituitary tumor. The medical outcomes of one of these circumstance are minimal.
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carefully study the diagram below. which statement best describes the direction of signal transmission
Only presynaptic neurons and postsynaptic neurons exchange messages(transmission).
One neuron releases neurotransmitters at a chemical synapses, while the other neuron contains receptors that bind this chemical. The signal can only travel in one way as a result. Neuronal dendrites are where electrical impulses begin. Once at the axon, they are then transmitted via the cell body. When a signal transmission the axon, it skips over one Ranvier node in favor of another, saving time by avoiding having to pass through each myelin sheath. They let ion to pass through desmosomes. Ions can go from one cell to another in order to transfer electrical impulses at electrical synapses that form between two contacting cells. At electrical synapses, gap junctions rather than desmosomes are the conduits for ions.
(Carefully study the below diagram. Which statement best describes the direction of signal transmission?
a) signals go only from the postsynaptic neuron to presynaptic neuron
b) signals go only from the presynaptic neuron to postsynaptic neuron
c) signals way travel in both directions across a synapse
d) none of these choices)
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list different types of water soluble and fat soluble vitamins then write their name
Fat-soluble vitamins are absorbed along with fats in the diet and are stored in the body’s fatty tissue and in the liver.
What is Fat soluble vitamins?They are found in many plant and animal foods and in dietary supplements. Vitamins A, D, E, and K are fat-soluble. Vitamin A plays a key role in maintaining your vision.
Vitamin A is not a single compound. Rather, it is a group of fat-soluble compounds collectively known as retinoids.
The most common dietary form of vitamin A is retinol. Other forms — retinal and retinoic acid — are found in the body, but absent or rare in foods.
Therefore, Fat-soluble vitamins are absorbed along with fats in the diet and are stored in the body’s fatty tissue and in the liver.
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Some people think that observed changes are just the
usual year-to-year variations. They remember the 1930s
and 40s, when winters were so mild and dry that they
rode scooters on the streets of Toronto. How would you
respond to them?
I would respond to them by saying that climate change was the reason why winters were no longer so mild and dry that they were able to ride scooters on the streets of Toronto.
What is Climate change?This is referred to as long-term shifts in temperatures and weather patterns which has occurred due to human activities and its impact on the ecosystem.
Technological advances have led to the use of fossil fuel such as coal, petrol etc in other to power them up and examples include the invention of cars and industries which produce things.
There is also the issue of emission of greenhouse gases such as carbon dioxide , methane etc in various sectors and the lack of trees has also led to a high concentration in the atmosphere which is therefore why the issue of climate change will be used to respond.
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Where does photosynthesis occur in a plant?
Answer:
In plants, photosynthesis takes place in chloroplasts, contain the chlorophyll.
Explanation:
Thank you
[tex] [/tex]
Match the type of receptor with the appropriate description.
A. chemoreceptors
B. touch receptors
C. thermoreceptors
D. nociceptors
The type of receptor that activated by intense stimuli of any type that results in tissue damage is chemoreceptors (A).
What are the 5 types of sensory receptors?Receptor is a protein that can bind to a small molecule to receive a message from other cells. Sensory receptors are categorized into five types according to their sensitivities, are, chemoreceptors, pain receptors, thermoreceptors, mechanoreceptors, and photoreceptors.The intensity of the sensory input to the brain is referred to as stimulus intensity. A stimulus has a threshold, or the minimum degree of intensity required for detection and action. For example, there is a minimum threshold for being able to hear something. If it is too quiet, you would not realize that the stimulus is there.Learn more about chemoreceptors here: brainly.com/question/29737864
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argonaute protein null mutants will be defective in translational inhibition but will be able to combat viruses
RNA interference is a natural process with a role in the regulation of protein synthesis and in immunity.
Members of the highly conserved Argonaute protein family play a central role in regulating gene expression networks, orchestrating the establishment and maintenance of cellular identity throughout the life cycle, as well as in various human disorders, including cancers. Dicer and Argonaute, as the two central proteins within the sRNA regulatory pathways, are involved in the initiation and maintenance of the central mechanism for this mode of gene regulation. Argonaute and Piwi like proteins are present in bacteria, archaea, and eukaryotes, implying that both groups of proteins have an ancient origin. However, the number of Argonaute genes that are present in different species varies.
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Please help ASAP!!
After working out at the gym, Jose's left bicep is feeling sore. The soreness is evidence the muscle cell is building new muscle. In order to do this, the muscle cell must follow a specific process beginning with the genetic recipe for new muscle fibers which will end up producing a larger muscle. Based upon your understanding of how a cell produces proteins, identify the proper order of muscle fiber protein production by a muscle cell and it's organelles.
Process of producing muscle fibers by making proteins in the muscle.
1. The protein is built in the rough endoplasmic reticulum
2. The vesicles export protein to build muscle fiber
3. The protein is packages in golgi appratus
4. DNA recipe insider the nucleus
5. Ribosome carries recipe to endoplasmic reticulum
= muscle fiber
The metabolic process by which amino acids are incorporated into bound skeletal muscle proteins is known as muscle protein synthesis (MPS).
What does it signify when your biceps hurt after working out?A little soreness or discomfort is normal and indicates that the muscle has been pressured. However, if the muscle is overworked, it can become extremely painful to move and touch and may even swell. If the damage is serious enough, the muscle may begin to suffer from permanent damage.You are not giving your muscles enough time to heal if you keep up your regular exercise routine while being sore. Pushing through a period of soreness, however, can eventually result in an overuse injury. By not getting enough sleep, you run the danger of harming your body.To learn more about Muscle refer to:
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28. Which two sentences describe the role of dialogue in a play?
Oit describes the characters' actions.
OIt explains the historical context.
It moves the play's plot along.
OIt reveals the characters' motivations.
Answer:
It moves the play's plot along.
OIt reveals the characters' motivations.
Explanation:
Answer:
It Moves the plays plot along.
Explanation:
a temperature much higher than the optimal temperature for a particular enzyme is likely to the activity and reaction rate of the enzyme due to in the size and shape of the enzyme's active site.
a. true
b. false
False a temperature significantly higher than the ideal temperature for a specific enzyme is likely to affect the enzyme's activity & reaction rate due to differences in the active site's size and shape.
What does the word "enzyme" mean?A component known as an enzyme works as a catalysts in living things to speed up chemical reactions without undergoing any changes. Enzymes manage the majority of the chemical reactions that make up the biological activities that take place inside of all living things.
How do enzymes operate?Reduced activation energy, or the quantity of energy required for a reaction to start, is a crucial function of enzymes. In order to facilitate the bond-forming and bond-breaking processes in chemical reactions, reactant molecules must bind to enzymes in order for them to hold the reactant molecules.
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If you observed that the sperm of a bull could not fuse in a lab dish with the eggs of a cow, you would say that the bull and the cow showed
• hybrid inviability.
• gametic isolation.
• temporal isolation.
• hybrid infertility.
• ecological isolation.
The correct answer is gametic isolation. the sperm of a bull could not fuse in a lab dish with the eggs of a cow.
Prezygotic barriers come in the form of gametic isolation. When the egg and sperm are discharged but a zygote is not created, gametic isolation occurs. The cell formed when an egg and sperm combine is known as a zygote. The word "gamete" describes reproductive cells like sperm and eggs. The separation between white sage and black sage is among the most known instances of mechanical isolation in plants. The two sage species can't interbreed because they depend on distinct pollinators, although having a similar geographic area.Geographical, temporal, reproductive, and behavioural isolation are a few examples. Two sets of creatures must be incapable of conceiving viable offspring in order for them to be regarded as different species.
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What is the name of fossil 126
Answer:
Allosauras is the name of fossil 126
Which of the following activities would have the biggest positive impact on a person's cardiorespiratory fitness?
Select one: A. yoga B. walking C. weightlifting D. push-ups
A. yoga. Yoga practices outperform other aerobic exercises in some cardiorespiratory fitness metrics, according to current CVD preventive guidelines.
Which exercises strengthen the heart and lungs?Exercises that are "pure" aerobic exercises include walking, jogging, running, cycling, swimming, aerobics, rowing, stair climbing, hiking, cross-country skiing, and many styles of dancing. Sports like tennis, basketball, and soccer can help you get better cardiovascular shape.
Does yoga increase your ability to run?Yoga is equivalent to modest levels of physical activity, according to a clinical experiment that was published in 2007 in BMC Complementary and Alternative Medicine, and is insufficient to increase cardiovascular fitness.
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here are many genes that can affect coat color in ferrets. In particular, there is a gene that is necessary for melanocyte development (D). When this gene is mutant the ferrets are white, regardless of any of the other genes. A second gene affects the production of color in the melanocyte (R). Recessive mutations in this gene result in cream-colored animals, while the fully functional gene allows for animals of a darker color. A third gene causes longer chains of dopaquinone, and the dominant allele produces black animals (B), while the recessive allele produces brown animals. In animals that are black you can sometimes see a pattern of color that looks like stripes; this pattern is created by a gene (a) that affects deposition of color. Only black animals can be striped, and the striped allele is recessive. A brown animal, whose mother was cream colored, has babies. Of the animals, 1/4 are white, 3/8 are brown, 9/32 are black, and 3/32 are striped. What is the genotype of the father of these babies? List the What is the genotype of your brown animal? genes in order DRBA with no spaces.
The genotype is Aabb and aabb also the proportion of brown fleece(coat) is3/16.
Gametes produced by AaBb creatures are AB, Ab, aB, ab
Cross between two AaBb creatures would be as follows
AaBb * AaBb
AB Ab aB ab
AB AABB AABb AaBB AaBb
Ab AABb AAbb AaBb Aabb
aB AaBB AaBb aaBB aaBb
ab AaBb Aabb aaBb aabb
Out of the 16, seed(offsprings) the one with genotype Aabb and aabb will have red color
There are 2 Aabb and one aabb seed
Therefore, out of 16, 3 seed are brown in color
Proportion of offspring to have a brown fleece is3/16.
Thus, the genotype is Aabb and aabb also the proportion of brown fleece(coat) is 3/16.
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Cell cycle regulation: proteins• Cell cycle is controlled by cyclins and cyclin-dependent kinases (CDKs)- cyclin and CDKs are specific to each checkpoint in each organism- stop progression if things aren't going right- stop cycle at each check point until cyclin/CDK allow progression
The correct answer is Any process that controls the series of events by which a cell goes through the cell cycle is known as Cell cycle regulation.
By phosphorylating the target genes, such as the tumour suppressor protein retinoblastoma, the synthesis of cyclin/CDKs regulates the course of the cell cycle (Rb). The activation of cell-cycle checkpoints in response to DNA damage inhibits the activation of cyclins/CDKs, which is activated by mitogenic signals [8]. Protein kinases called cyclin-dependent kinases (CDKs) depend on a distinct subunit, the cyclin, which supplies the domains necessary for enzymatic activity. In response to various extracellular and intracellular signals, CDKs modify transcription and play significant roles in the regulation of cell division. The groups of protein kinases known as cyclin-dependent kinases (CDKs) were initially identified for their function in controlling the cell cycle. Additionally, they control mRNA processing, transcription, and nerve cell differentiation.
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genetically encoding luorosulfate-l-tyrosine to react with lysine, histidine, and tyrosine via sufex in proteins in vivo.
The SO2F2/borax technique produced an 88% yield when luorosulfate-l-tyrosine to react with lysine, histidine, and tyrosine via sufex in proteins in vivo. FSY was synthesized.We developed a mutant PylRS (pyrrolysyl-tRNA synthetase specialized for FSY) to genetically encode FSY. Using the small-intelligent mutagenesis method16 and selection as outlined, a PylRS mutant library was created by altering the residues Ala302, Leu305, Tyr306, Leu309, Ile322, Asn346, Cys348, Tyr384, Val401, and Tyrosine ,Trp417 of the Methanosarcina mazei PylRS. 17 There were six hits that demonstrated FSY-dependent phenotype;
A number of amino acids are combined to create any protein. This amino acid is positioned according to the DNA sequences; for every three sequences, an amino acid is generated, hence it is known as a triplet codon. Since there may be several sequences for a single amino acid, we refer to this as a degenerate codon.Tyrosine is a non-essential amino acid that the body creates from phenylalanine, another amino acid. It is a crucial ingredient in the synthesis of several significant neurotransmitters, such as epinephrine, norepinephrine, and dopamine.
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some bacteria grows in perfect conditions, so that the bacteria population p(t) satifies the differential equation
Many population systems are growing exponentially. The mathematical model of the exponential growth of the system is
[tex]y' = ky_{o} e^{kt} = ky[/tex]
Where
[tex]y_{o}[/tex] = initial state of the system
[tex]k[/tex] > 0 positive constant or growth constant
This equation needs derivatives and is called a differential equation. Notice that population growth is proportional to the current function value, which is a key to exponential growth.
One common example of differential growth is population growth. In this instance is the bacteria population. As mentioned before, population growth is proportional to the current function value (K), which means the more bacteria reproduce then the faster population growth.
In the following figure, we can see after only 120 minutes, an initial population of 200 bacteria with a growth constant of 0.02 would be 10 times its outset quantity.
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The question was incomplete. This is a general answer.
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What is the largest mammal on earth?
Answer:
The Antarctic blue whale.
Explanation:
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T or F? Metamorphic code is software that can be shipped unchanged to a heterogeneous collection of platforms and execute with identical semantics.
The correct answer is False. Metamorphic code is software that can be shipped unchanged to a heterogeneous collection of platforms and execute with identical semantics.
The most prevalent form of malware that can run automatically and propagate by infecting other programmes or files is a virus. Without a host software, a worm is capable of self-replication and often spreads without any help from the malware creators. Viruses, Trojans, and worms are the three methods of malware spread. 10.2 Which of the following four main types of payloads may malware carry? The most effective method of protecting your computer from harmful malware is to use antivirus software. Run your antivirus application if you suspect an infection on your computer. Your antivirus software should be able to detect any dangerous malware on your computer and quarantine it so it can no longer harm your system.
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how do the functions of the cells relate to their number of nuclei?
The nucleus carries the genes, structures that hold the genetic information, and controls and regulates the functions of the cell such as growth and metabolism.
What is a cell?The smallest unit in biology that can sustain life on its own and makes up all living things as well as the body's tissues. The cell membrane, the nucleus, and the cytoplasm are the three primary components of a cell. The substances that enter and leave the cell are governed by the cell membrane, which encloses the cell.
According to genomics, a cell's membrane-enclosed organelle that houses the chromosomes is called a nucleus. Certain molecules (including proteins and nucleic acids) can enter and exit the nucleus in a selective manner thanks to a network of pores in the nuclear membrane.
This Illustrates the concept of how the functions of the cells relate to their number of nuclei.
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Some antimicrobials are initially synthesized by a microorganism and then modified by pharmaceutical companies to improve their properties. These would be referred to as a)semisynthetics. b)antibiotics. c)chemosynthetic agents. d)synthetics.
The correct answer is b)antibiotics. Some antimicrobials are initially synthesized by a microorganism and then modified by pharmaceutical companies to improve their properties.
Antibiotics are drugs used to treat bacterial illnesses in both people and animals. They do this by either killing the germs or by making it harder for them to develop and reproduce. Germs are bacteria. They are everywhere in our bodies, both inside and outside, and in the surroundings. The most common varieties of antibiotics are: Penicillins, such as flucloxacillin, amoxicillin, and phenoxymethylpenicillin. Cephalosporins, such as cefadroxil, cefalexin, and cefaclor. Tetracyclines, such as doxycycline, lymecycline, and tetracycline. One of the strongest antibiotics ever developed is vancomycin 3.0. It is used to treat illnesses like endocarditis, joint infections, bloodstream infections, and skin infections brought on by methicillin-resistant Staphylococcus aureus.
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Match the age-related health issue with the nutrient(s) or eating approach that may help prevent it or ease symptoms. Nutritional Intervention Individualizing the texture or consistency of foods served Higher intakes of vitamins C and E Reducing intake of protein from meats and seafood Increasing intake of omega-3 fatty acids found in fatty fish Taking supplements of the omega-3 fatty acid DHA and carotenoids Staying adequately hydrated Weight loss Common Health Issues in Older Adults
Increasing intake of omega-3 fatty acids found in fatty fish so this the correct option from the given question
Omega-3 fatty acids are a type of polyunsaturated fatty acid (PUFA) that are essential for human health. PUFAs are considered essential because our bodies cannot make them, so we must get them from our diet. Omega-3 fatty acids play an important role in many physiological processes, including cell growth, immune function, and brain development. They are also important for maintaining healthy cholesterol levels, reducing inflammation, and preventing certain chronic diseases, such as heart disease, stroke, and diabetes. Omega-3 fatty acids are found in a variety of foods such as fish, flaxseed, walnuts, and some vegetable oils. They are also available in supplement form.
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Which landform is created by a river pouring into a larger body of water?
OA. Delta
B. Beach
C. Dune
D. Moraine
A stratified squamous epithelium is a stratified epithelium with squamous (flattened and scale-like) epithelial cells in the top layer.
A single thin layer of flattened cells to irregular boundaries makes up simple squamous epithelium. Those who line the walls of blood vessels and the lungs' air sacs. They also participate in physiological processes such as osmosis and diffusion.
A stratified squamous epithelium is a stratified epithelium with squamous (flattened and scale-like) epithelial cells in the topmost layer. Cuboidal or columnar cells may be found in the deeper layers. Some stratified squamous epithelia are heavily keratinized, while others are barely or not at all.
Squamous cells are thin, flat cells that resemble fish scales and are found in the skin's surface, the lining of hollow organs, and the lining of a respiratory and digestive tracts. Protective functions of stratified squamous epithelium include protection against microorganisms invading underlying tissue and/or protection against water loss. A single basal layer contains stem cells, 2-3 layers of proliferative basaloid cells in the suprabasal region, as well as larger keratinized cells near the surface.
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During the __ phase, the pancreas secretes __ to ensure that only the brain can use glucose.
During the absorptive phase, the pancreas secretes insulin to ensure that only the brain can use glucose.
Insulin enables your frame to turn food into energy and controls your blood sugar tiers. If you have diabetes, your body can't make sufficient insulin or cannot use it nicely. Your provider can prescribe human-made insulin that you take thru an injection (shot), injectable pen, or pump.
Insulin is a peptide hormone secreted with the aid of the β cells of the pancreatic islets of Langerhans and maintains regular blood glucose tiers by facilitating cell glucose uptake, regulating carbohydrate, lipid, and protein metabolism, and selling cellular division and growth through its mitogenic results.
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given our knowledge of hominin evolution, evolutionary biologists have already predicted what future human evolution will look like. t/f
It is true that given our knowledge of hominin evolution, evolutionary biologists have already predicted what future human evolution will look like.
We will probably live longer, get taller, and have smaller bodies. Despite having smaller brains, we will probably be less aggressive and more agreeable. We'll be friendly and happy, but maybe not very interesting, like a golden retriever. That, at least, is one potential future.
Thomas Mailund, an associate professor of bioinformatics at Aarhus University in Denmark, suggests that we might then evolve to be smaller so that our bodies would require less energy. This would be useful on a planet with a lot of people. Mailund suggests that our evolution might assist us in coping with this. One example: remembering people's names could become a much more valuable skill.
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Drag and drop the labels to the appropriate docks to determine how population size changes. Each dock can receive multiple labels.
The factors that stimulate an increase in the population size may include the birth rate and migration into the population or immigration.
The factors that stimulate a decrease in the population size may include the death rate and migration out of the population or emigration.
What is the population size?The population size may be defined as the number of organisms of the same species that are found within a given habitat. The population size of organisms in a habitat area is affected by the following factors:
Birth rate: An increase in births results in an increase in population size whereas a decrease in births results in a decrease in population size. Death rate: An increase in deaths results in a decrease in population size whereas a decrease in deaths results in an increase in population size. Migration: migration into a habitat results in an increase in population size while migration out of a habitat results in a decrease in population sizeTherefore, the factors for increasing or decreasing the population size are well described above.
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If an allele is_____, only one copy of the allele is needed. if the allele is ____ , two copies are needed.
If an allele is dominant, only one copy of the allele is needed for it to be expressed in an individual. If the allele is recessive, two copies are needed for it to be expressed in an individual.
A dominant allele is an allele that is expressed in an individual regardless of the presence of another allele on the same gene. This means that if an individual has one dominant allele and one recessive allele, the dominant allele will be expressed in the individual. An example of a dominant allele is the allele for having brown eyes. If an individual has one copy of the brown eye allele, they will have brown eyes regardless of whether they carry another allele for blue eyes or not.
A recessive allele is an allele that is only expressed in an individual when two copies of the allele are present. This means that if an individual has one dominant allele and one recessive allele, the dominant allele will be expressed in the individual and the recessive allele will not. An example of a recessive allele is the allele for having blue eyes. If an individual has one copy of the blue eye allele, they will have brown eyes unless they also have a second copy of the blue eye allele.
The presence of dominant and recessive alleles is the basis for genetic inheritance. Dominant alleles are usually more common than recessive alleles and therefore, the traits associated with dominant alleles are more likely to be expressed in individuals. This means that, in a population, an individual is more likely to have brown eyes than blue eyes.
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Ribosomes provide the scaffolding on which tRNAs interact with mRNA during translation of an mRNA sequence to a chain of amino acids. A ribosome has three binding sites, each of which has a distinct function in the tRNA-mRNA interactions.
Drag the appropriate tRNAs to the binding sites on the ribosome to show the configuration immediately before a new peptide bond forms. Note that one of the binding sites should be left empty.
E- site empty
P- site AUA with three amino acids
A- site UCC with one amino acid
The correct tRNAs to show binding sites on the ribosome are:
E- site empty
P- site AUA with three amino acids
A- site UCC with one amino acid
Ribosome assists in the communication of the tRNA with the mRNA by giving platform. It happens during the course of amino corrosive sequencing. The ribosome has basically three restricting site. Every one of the limiting locales and have particular capability in both tRNA ,mRNA collaborations.
At the initial step tRNA ties to the A site of ribosome, second step is considered as a development of the peptide bonds where tRNA ties with A site from P site. The third and last stage which is development of the mRNA through the ribosome in which tRNA conveying the developing polypeptide movements to the P site.
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which of the following photosynthesis inputs is correclty paired with the tissue or structure responsible for bringing it into the plant?
Water - Roots is the following photosynthesis inputs which is the correclty paired with the tissue or the structure which is responsible for the bringing it into the plant
Photosynthesis is the process by which green plants and certain other organisms use the energy from the sun to transform carbon dioxide and water into the simple sugar glucose. Glucose is used to make other molecules, such as proteins and lipids, which are necessary for survival. The process of photosynthesis requires light, carbon dioxide, and water. Light energy from the sun is absorbed by the chlorophyll molecules in the plant’s leaves. The energy is then used to convert carbon dioxide and water into glucose and oxygen. The oxygen is released into the atmosphere while the glucose is used by the plant for energy or stored for later use. Photosynthesis is essential for the existence of almost all life on Earth, as it provides the energy that powers the entire food chain.
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A double-slit interference pattern is created by two narrow slits spaced 0.20 mm apart. The distance between the first and the fifth minimum on a screen 58 cm behind the slits is 6.1 mm.What is the wavelength of the light used in this experiment?
The light utilized in this experiment has a wavelength of 525.86 nm.
Waves that interfere are generated by two coherent sources by double slits. (a) Because the slits are thin, light diffuses (spreads out) from each one. Both constructively (bright lines) and destructively (overlapping and interfering waves) (dark regions). Light passes through two slits, creating new dark areas. The interference of the light traveling through the slits results in the dark and light zones.
Light passing through one slit overlaps with light passing through the other slit as it approaches the screen.
slit separation d = 0.2 mm = 0.2 * [tex]10^{-3}[/tex] m
distance from the slits D = 58 cm =0.58 m
The minimal distance behind the slits on a screen between the first and fifth positions is 58 cm, Y = 6.1 mm
Y = 6.1 * [tex]10^{-3}[/tex] m
condition for 1 st minimum d sin θ = λ
d( y / D ) = λ
y = λD / d -----( 1)
condition for 5 th minimum d sin θ ' = 5λ
d( y ' / D ) = 5λ
y ' = 5λD / d -----( 2)
given y ' - y = Y
[5λD / d] -[λD / d]= Y
4λD / d = Y
from this wavelength of the light λ = Yd / 4D
= 525.86 * [tex]10^{-9}[/tex] m
= 525.86 nm
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