In vertebrates, DNA methylation-the addition of a methyl group to DNA nucleotides-ensures that
A. the gene functions without interruption.
B. the nucleosome will quickly form, which assists in mRNA formation.
C. once a gene is turned off, it will remain off.
D. once that gene is transcribed, the mRNA is saved and used over and over again.
E. no errors will be made during transcription.
Answer: C
You might also like to view...
Describe the general processes that occur in a sludge digester. What is an advantage of sludge digestion over activated sludge?
What will be an ideal response?
During which of the following phases of mitosis does a centrosome move to the opposite pole of the cell?
a. prophase b. telophase c. anaphase d. metaphase
The outer transparent protective cover over the front of the eyeball is the
a. fovea. b. retina. c. sclera. d. choroid. e. cornea.
Which of the following groups of organisms will all possess hydrostatic skeletons?
A. planaria, hyrdas, crayfish B. bluegill, lobster and planaria C. butterflies, cats and clams D. earthworms, crayfish and sea stars E. planaria, hydras and earthworms