chp 8

Question 1

cell from different types mainly contain the same …………………………..

Answer 1

genome

Question 2

Different cell types synthesize different sets of ……………….. and
……………………..

Answer 2

RNAs

protein

Question 3

Controlling when and how the genes are expressed in a cell is called ……………………………….

Answer 3

gene regulation

Question 4

what is gene regulation?

Answer 4

controlling when and how the genes are expressed

Question 5

true or false?
Errors in transcriptional control of gene expression may
result in pathological processes.

Answer 5

true

Question 6

A. Gene can control an organism on their own
B. genes contain regulatory DNA and gene regulatory protein that switches the genes on and off
C.

Question 7

steps of controlling eukaryotic gene expression.

Question 8

Nearly all genes contain ………………………. and …………………………….that switch the gene on or off.

Answer 8

regulatory DNA sequences

gene regulatory protein

Question 9

which of the following is correct about gene regulation?

A. Genes can’t control an organism on their own; rather, they must interact with and respond to the organism’s environment.
B. Some genes are constitutive, or always “on,” regardless of environmental conditions.
C. In contrast, some genes are regulated; they are only expressed in certain cells or during certain times.
D. all of the above

Answer 9

D

Question 10

gene expression can be controlled in many steps, put these steps in the correct order.

(( transcriptional control - RNA processing control - mRNA transport and localization control - protein degradation control - translation control - protein activity control - mRNA degradation control ))

Answer 10

transcriptional control 
RNA processing control
mRNA transport and localization control
mRNA degradation control 
translation control
protein degradation control
protein activity control