RNA Synthesis, Processing and Regulation (KING)

Question 1

Sequences in the gene that promote the ability of RNA polymerases to recognize the nucleotide at which initiation begins

Answer 1

PROMOTER

Question 2

Sequences that act in cis by binding proteins that result in enhancement of transcription

Answer 2

ENHANCER

Question 3

A transcriptional promoter is requires for which of the ff processes

Answer 3

Initiation of RNA synthesis

Question 4

The MC mechanism for the regulated expression of human genes during fetal development occurs at which of the ff levels

Answer 4

initiation of RNA synthesis

Question 5

Homeobox (HOX) genes play a role in controlling events of embryogenesis. These genes exert their functions through which of the ff processes?

a. allellic exclusion
b. alternate mRNA splicing
c. regulation of transcription
d. regulation of translation

Answer 5

c. regulation of transcription

Question 6

All cells contain the same compliment of DNA. However adipose tissue cells and GI epithelial cells are not composed of the same proteins. The differences in these cells and other cells is most likely a result of differences in which of the ff?

a. DNA sequences
b. mRNA
c. rRNA
d. tRNA

Answer 6

b. mRNA