When neither anti-A serum nor anti-B serum clot on a blood plate with donor blood, the blood is type ________
A) A
B) B
C) O
D) AB
C
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The potential across a cell membrane has changed drastically, from -90 mV to +30 mV. In other words,
A. there is no relative charge difference between the inside and the outside of the cell. B. the resting membrane potential has been established. C. there is a positive charge on the inside of the cell, relative to the outside. D. there is a negative charge on the inside of the cell, relative to the outside.
In what direction will water move when hypotonic fluids are present in the plasma?
A) There is no net movement of water when hypotonic fluids are present in the plasma. B) Water is pulled of the cytosol and into the interstitial fluid and then plasma. C) Water is pushed out of the cytosol into the interstitial fluid and then plasma. D) Water is pulled from the interstitial fluid and plasma into the cell.
Bitter receptors sense
A) inorganic salts. B) acids. C) carbohydrates. D) alkaloids.
true or false? The synthesis of messenger RNA is called translation.
a. true b. false