An oncogene is
a. a normal gene that promotes mitosis.
b. a gene that codes for a growth factor that
stimulates cell division.
c. a gene that codes for tumor suppressing
proteins.
d. a mutated gene that results in tumors.
e. more than one of these
D
You might also like to view...
In crustaceans, molting is stimulated by the hormone ________
a. estrogen b. ecdysone c. FSH d. TSH
Protection of the embryo is a major requirement for land plants given there is no aquatic environment in which to keep it safe from desiccation and other environmental hazards. Which structure, in both seed and seedless plants, provides the protection and nutrients needed by the embryo as it develops?
a. sporangium b. gametangia c. female gametophyte d. archegonium
What kind of movement occurs between bones in planar joints?
a. extension b. rotation c. gliding d. abduction
"Glucose sparing" is brought about by
a. epinephrine. b. norepinephrine. c. aldosterone. d. cortisol. e. growth hormone.