When a neuron undergoes a change in membrane potential that is proportional to (i.e., varies depending on) the strength of the stimulus given to that neuron, this is referred to as a/an
A. equilibrium potential.
B. action potential.
C. resting potential.
D. reversal potential.
E. graded potential.
E. graded potential.
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A pathway that generates ATP by substrate-level phosphorylation that does not require oxygen and produces various end products, including alcohols, acids, carbon dioxide, and hydrogen, is:
a. substrate-level phosphorylation. b. fermentative metabolism. c. oxidative phosphorylation. d. aerobic respiration.
Which event will help move elements into, out of and between environmental reservoirs? a. Earthquakes b. Erosion c. All of these choices
d. Volcanic eruptions e. Uplifting
Is this statement true or false? All atoms consist of electrons, protons, and neutrons
Indicate whether the statement is true or false
_______ structures are those that have no obvious function at the present time but are believed to be "leftovers" from an ancestor that did use that part.
a) vestigal b) adaptive c) analogous d) homologous