Receptors on the plasma membrane do all the following except _______.
a. create changes in the interior of the cell
b. interact with hormones
c. interact with neurotransmitters
d. act as transport proteins
d. act as transport proteins
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Enzymes don't change the ?G of a reaction
Indicate whether the statement is true or false.
When the directions for a fetal pig dissection refer to the left, they are referring to
a. your left. b. the pig's left. c. the pig's right. d. both a and c.
How do group A streptococci camouflage themselves from white blood cells?
A) They produce coagulase, allowing the bacteria to hide within blood clots. B) They grow in chains or pairs. C) They produce streptokinase, which breaks down blood clots. D) They have hyaluronic acid capsules. E) They have a coating of protein M.
An unusual feature of the 1918 Spanish influenza pandemic is that
A) most fatalities were among young adults, rather than infants or the elderly. B) it originated in Europe, most fatalities were among young adults, and victims had unusually poor immune responses. C) it originated in Europe, rather than Asia as most influenza strains do. D) most fatalities were among young adults, and victims had unusually poor immune responses to the virus. E) victims had unusually poor immune responses to the virus.