The information stored in the DNA's nucleotides translate into trait since these traits are determined by proteins that are built according to the instructions stored in genes. All this is due to a process of gene expression where information or instructions flows from genes to a protein which determines the traits. First during the gene expression process the DNA undergoes transcription to yield RNA which then undergoes translation to yield proteins.
Question: Is the pre-synaptic or the post-synaptic neuron damaged? Explain your rationale in detail (in other words, detail how you came to your conclusion). You're going to have to really think on this one. It's not something you can look up in the text. You will need to use what you have learned about the autonomic nervous system and some critical thinking to arrive at the answer.
Horner's Syndrome riddle: Ach is the neurotransmitter at all ANS preganglionic fibers, including SNS. The pt has decreased sweating and pupil constriction, indicating blockage of SNS transmission. When the MD gave ACh it induced sweating, but not pupil dilation. This is because the sweat glands are an exception in normal SNS transmission, as the postganglionic fibers utilize ACh as their neurotransmitters. Other SNS pathways utilize NE as their neurotransmitter. So ACh acted directly on the sweat gland to produce sweating, but could not stimulate the typical postsynaptic neurons to release NE. When the MD gave NE he saw pupil dilation, but not sweating, indicating the NE worked directly at the iris to produce pupil dilation. This indicaates the problem was with the postsganglionic neuron. If the preganglionic neuron were the problem injecting ACh would have solved both problems.
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I hope this helps! Have a lovely day! ~Pooch ♥
Answer:Scientists observe the frequency of the different forms of the gene and how it changes in response to the environment
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Declining biodiversity can affect us because it can have changes in ecosystem services affect livelihoods, income, local migration and, on occasion, may even cause or exacerbate political conflict.
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