How is active retinal returned to the inactive state?
a. It isn't; rather, the cell degrades the active form and synthesizes new, inactive proteins.
b. It is converted back to the inactive confirmation by a series of enzymes.
c. It reverts back to the inactive state on its own.
d. It is transported to a lysosome.
e. The mechanism is not known.
B
You might also like to view...
Viral infection is a major cause of cancer
a. True b. False Indicate whether the statement is true or false
Stimulation of flowering in spring by prolonged exposure to low temperature in winter is called:
a. senescence b. vernalization c. abscission d. dormancy e. chlorosis
Carbon sinks are reservoirs that hold large amounts of carbon. Which of the following are considered to be carbon sinks?
A. fossil fuels deep underground B. oceans C. the atmosphere D. All of the answer choices are correct.
A nucleotide may contain a(n)
a. base. b. 5-carbon sugar. c. phosphate group. d. adenine. e. all of these