Where does the Krebs cycle take place?
a) Cytosol
b) Plasma membrane
c) Nucleus
d) Mitochondria
e) Golgi Apparatus
d
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A change in a membrane potential from -70 mV to -60mV is an example of
a. depolarization b. hyperpolarization c. polarization d. repolarization e. zero potential
Which of the following is true about gustatory receptors?
A) In order for a chemical to be sensed, it must be hydrophobic. B) The receptors generate an action potential in response to chemical stimuli. C) Complete adaptation occurs in about one to five minutes. D) All gustatory receptors have the same threshold for activation.
Use the following key to determine the best answer.A. First item is greater than the second item.B. First item is less than the second item.C. First item is equal or nearly equal to the second item.(1) PO2 in alveolar air(2) PO2 in venous blood
Fill in the blank(s) with the appropriate word(s).
The epidermis that covers the skin is a simple organ
Indicate whether the statement is true or false