When sodium ions flow into the axon cytoplasm, ____
a. the membrane potential reverses
b. the cytoplasm becomes more negatively charged
c. the interstitial fluid becomes more positively charged
d. an action potential is reversed
e. the membrane potential is re-established
ANSWER: a
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If blue light is the component of the visible spectrum that can penetrate to the greatest depth in water, then what should be expected of photosynthetic protists that survive at great depths?
A) They should absorb blue light preferentially. B) They should absorb red light preferentially. C) They should reflect green light preferentially. D) They should absorb white light preferentially. E) They should absorb green light preferentially.
___________ are formed when monglycerides and fatty acids are rejoined in the villi epithelia cells
Fill in the blank(s) with the appropriate word(s).
Which of the following expresses one of the reasons why managing an international business is different from managing a purely domestic business?
a) the range of problems confronted by a manager in a domestic business is wider and the problems more complex than those confronted by a manage in an international business b) international business transactions use the euro instead of the U.S. dollar c) an international business does not need to contend with government interventions whereas a domestic business must work within the confines of its local government d) an international business must find ways to work within the limits imposed by government intervention in the international trade and investment system
Which of the following statements about post-translational modifications is false?
A) Additional inorganic factors could be added. B) Post-translational modifications can include the addition of extra amino acids. C) Post-translational modifications are often required for a protein to function. D) Post-translational modifications provide a way for cells to regulate gene product functionality. E) Additional organic factors could be added.