Which of these statements is completely true about the wt situation above?
a. gene z is expressed in the presence of stimulus a and blocked in the absence of a
b. gene z is blocked in the presence of stimulus a and expressed in the absence of a
c. gene z is blocked in the presence of stimulus a and blocked in the absence of a
d. gene z is expressed in the presence of a and expressed in the absence of a
e. none of the above

The answer is Letter B

Explanation:

Gene Z is blocked in the presence of Stimulus A and expressed in the absence of A

explanation:

1 rosales   order

2 eurarya   domain

3 rosaceae   family

4 cania - genus

5 plantae - kingdom

6 magnoliopsida - class

7 rosa - species

8 magnoliophyta - phylum

as the gila monster consumes the eggs or young of the desert cottontail and gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. however, for this, the gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

first, is that they possess huge bodies, and can consume greater concentrations of food during a small period. secondly, they require to feed infrequently as they can accumulate fat in their tails. ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.