Vertebrate cells possess a protein that binds to clusters of 5-methylcytosine and ensures the gene will stay in the "off" position. This control of gene regulation is a result of
A. enhancer expression.
B. translation.
C. methylation.
D. promoter expression.
E. operator suppression.
Answer: C
You might also like to view...
Which of the following does NOT correctly describe antidiuretic hormone?
A. It regulates water turnover in the mammalian kidney. B. ADH secretion is stimulated by high blood osmolarity. C. It ultimately acts to reabsorb more water. D. It exerts it effects via the cAMP pathway. E. It does not involve the use of aquaporin molecules.
Bogs have low net primary productivity because of the low levels of which resources?
a. oxygen and carbon b. nitrogen and phosphorus c. nitrogen and oxygen d. phosphorus and oxygen
A mycelium is a large intermeshed mat of _______.
A) Pseudohypha B) Hypha C) Sporangium D) Yeasts
Which of these bones form the cheekbones in the skulls of mammals?
A) nasal bones B) palatine bones C) fontanels D) zygomatic bones