An example of ex situ conservation is a:
a. national park.
b. zoo.
c. reserve.
d. pet store.
e. circus.
b
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Explain the process of biological magnification. Where in the food chain do humans fit in, and how might biological magnification affect us?
What will be an ideal response?
Suppose that the first part of a new polypeptide chain being produced in a eukaryotic cell does NOT have a signal peptide. Where would this polypeptide be located within the cell as it is maturing?
a. in the Golgi apparatus only b. in the cytoplasm only c. first in the rough ER, and then in the Golgi apparatus d. first in the cytoplasm, and then in the rough ER
Humphrey Bogart said in Casablanca that some things "don't amount to a hill of beans in this crazy world." But a "hill of beans" does have energetic value, both as food and as a tall hill. In what form(s)is/are the energy in this bean hill?
a) gravitational potential energy b) kinetic energy c) chemical energy d) Both a) and c) are true. e) None of the above is true.
A biochemist wants to control the initial substrate-level phosphorylation that occurs in the tracheal cells of grasshoppers once glucose has crossed the plasma membrane. He has access to the following inhibitors: Rotenone-an electron transport chain inhibitor, Oligomycinan-an ATP synthase inhibitor, and TLN232-an inhibitor of glycolysis. Which inhibitor should he use to slow down initial substrate-level phosphorylation that occurs once glucose has crossed the plasma membrane?
A. TLN-232 B. oligomycin C. rotenone D. None of these inhibitors would be effective in preventing substrate-level phosphorylation.