Valium is a drug that causes voltage-gated Cl- channels to open. What effects would this cause in a postsynaptic
membrane?
What will be an ideal response?
ANSWER: Valium would cause hyperpolarization in the postsynaptic membrane. Thus, it would take
more frequent, or a greater number, of EPSPs to generate an action potential in a
postsynaptic membrane.
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"Glycogenolysis" refers to the state where
A. glucose levels are increased in the blood through the breakdown of glycogen. B. glucose levels are increased in the blood through the synthesis of glycogen. C. glucose levels are decreased in the blood through the breakdown of glycogen. D. glucose levels are decreased in the blood through the synthesis of glycogen. E. glucose levels are increased in the blood as a result of lipolysis.
On a very hot summer day and a few months later on a very cold winter day, you go outside and take your
temperature. Each time your body temperature is 37 degrees Celsius. This example illustrates ____.
a. adaptation b. cellular reproduction c. respiration d. homeostasis e. digestion
The term open reading frame (ORF) corresponds to the parts of genes called ____________________. Fill in the blank(s) with the appropriate word(s)
A dihybrid has the genotype AaBb. After a normal mitotic division into two daughters cells, one daughter cell will have the genotype _____________ and the other will have the genotype ______________
A) Aa; Bb B) AaBb; AaBb C) AB; ab D) Ab; aB E) AABB; aabb