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Question: Assume that each excitatory presynaptic neuron causes a 0.5mv depolarization of the postsynaptic neuron, and each inhibitory presynaptic neuron causes a 0.5mv hyperpolarization of the postsynaptic neuron. What would be the effect on the postsynaptic neuron if 87 excitatory neurons and 57 inhibitory pre-synaptic neurons fired simultaneously? SHOW ALL WORKQuestion: What would be the total mv produced by the 87 excitatory neurons (also indicate sign)? ______Question: What would be the total mv produced by the 57 inhibitory neurons (also indicate sign)? ______Question: What would be the net change in voltage and indicate whether it is (+) or (-) ? ______________Question: Assuming that the threshold for generating an action potential is -55 mv and the resting potential is -70mv, is the net change in voltage enough to reach threshold? ______________
What drugs are commonly used to anesthetize a patient undergoing abdominal surgery and why? Critically discuss the most common anticonvulsants or tranquilizers used to treat epileptic patients (drugs to prevent seizures)?
A male rabbit with genotype GgBb. Find out the gametes produced by this rabbit (the sperm would have these combinations of alleles) Hint there are 4 combinations.
In 1958 federal law restricted the movement of soil and plants from areas where fire ants were established. Why was this law ineffective in stopping the spread of fire ant colonies.
As a result of single intake of 6.3x10^3 Bq of a radionuclide, a particular organ will receive doses of the 0.2 mGy from a low energy beta particles and 0.05 mGy from the alpha particles during next 50 y.
A two electron transfer reaction you are studying has a standard state standard reduction potential (Eo') on 0.137V at 37C. What is the equilibrium constant for the reaction (Keq') at 37C.
Explain about the cell wall and nucleoid of bacterial cell, their structure and composition in detail. Explain the functions of the sensory neurons, interneurons, and motor neurons in the nervous system in brief.
While working in a cell biology laboratory, you are instructed to create a solution that is iso-osmostice to the cells that the lab uses.
Assume if you take a mature prokaryotic mRNA, and use reverse transcription to create DNA from it, will it resemble the original DNA sequence?
The DNA sequence of a codon in a gene was changed from AAT to AAC. This type of mutation is known a(n) as.
In addition to protein phosphorylation and dephosphorylation, protein degradation also plays key role in regulating signal transduction pathways and cell proliferation.express how protein degradation affects cell proliferation.
Explain the phenotypes obtained in the F2 generation. Analyze the phenotypes and sexes of each fly. Is there a sex and phenotype combination that is absent or underrepresented?
What would be the effect on blood pressure and phsiological basis of a blow to the head that damages the vasomotor center.
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