Her study includes _____ organisms, _____ populations, and _____ communities
a. 60; 3; 2
b. 3; 2; 60
c. 2; 3; 60
d. 60; 2; 3
A
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What happens when a resting neuron's membrane depolarizes?
A) There is a net diffusion of Na+ out of the cell. B) The equilibrium potential for K+ (EK) becomes more positive. C) The neuron's membrane voltage becomes more positive. D) The neuron is less likely to generate an action potential. E) The cell's inside is more negative than the outside.
A person is exposed to a drug that prevents vesicles from forming in neurons. Predict the effect this will have on nerve function
A) Voltage-gated potassium channels will be blocked, slowing depolarization and slowing nerve impulses. B) Neurons will be hyper-excitable. C) Neurotransmitters won't be released into the synapse via exocytosis. D) Action potentials will not be carried through the axon.
The insulin receptor is an example of a(n) ____
a. G-protein-coupled receptor b. hydrophobic receptor c. hormone receptor d. receptor tyrosine kinase e. ion channel receptor
In eukaryotic cells, replication proceeds from ________ origin(s) of replication.
A) zero B) one C) two D) many