If you wanted to develop an herbicide that was structurally most similar to cytokinin, which of the
following molecules would you use as starting material?
a. adenine
b. glucose
c. naphthaleneacetic acid
d. ?-amylase
e. a steroid
A
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Which membrane protein is responsible for binding hormones that can trigger changes in the cell's activity?
a. recognition proteins b. receptor proteins c. transport proteins d. adhesion proteins e. channel proteins
Holdfasts of algae and roots of flowering plants are structurally identical
Indicate whether the statement is true or false
Most of the following homeostatic responses of animals are obligate. Select the exception
a. carbonic acid buffering system regulating pH of blood b. basking in the sun c. shivering when cold d. kidneys regulating the osmotic content of blood e. closing of capillaries near the skin in the cold
A movement corridor ________
A) is a path used by migratory animals when they move to their winter habitats B) is the path most commonly used by an animal within its home range C) connects otherwise isolated patches of quality habitat for a species D) is a natural component of the environment