The membrane potential of a neuron is defined
as the
a. measured capacity of a neuron to create an
electrical impulse.
b. voltage in the neuron plasma membrane.
c. threshold potential of a neuron.
d. the electric gradient across a neuron’s
plasma membrane.
e. amount of voltage it takes to stimulate a
neuron to fire.
D
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Many types of cancer cells have been detected to secrete significant levels of lactate. Do you think these cells are likely undergoing beta-oxidation?
A. Yes, because beta-oxidation can generate intermediates that would lead to the production of lactate. B. No, because if lactate is being produced, the cell is not likely making use of the pathways needed to make use of the products of beta-oxidation. C. Yes, because lactate stimulates beta-oxidation. D. No, because lactate is consumed in beta-oxidation Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about lactate fermentation? How do products from this process indicate how cancer cells derive energy? What other information is related to the question? Choose Answer Do you have all necessary information to determine which products would affect cellular respiration? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
EPSPs can form due to the diffusion of Na+ across a neuron plasma membrane
Indicate whether the statement is true or false.
People do not develop a secondary immune response to influenza because
A) the immune system mutates from season to season. B) secondary immune responses are only possible against bacteria. C) the primary immune response is sufficient to protect against flu. D) the causative viruses mutate each season.
Why do disphotic zone fishes exhibit countershading but not fishes that live in deeper waters?
What will be an ideal response?