1. Isocitrate dehydrogenase is regulated by phosphorylation. the protein kinase
ID: 203389 • Letter: 1
Question
1. Isocitrate dehydrogenase is regulated by phosphorylation. the protein kinase in turn is regulated by a variety of metabolites. Which form of regulation is the protein kinasesubject to?
a.kinase phosphorylation
b.allosteric regulation
c. lysosomal degradation
2. What form of protein regulation does "src" induce:
a. regulation by small molecules
b.regulation by protein phosphorylation
c. regulation by lysosomal degradation
3. Which of the following explains why different cells express a different complement of genes (despite possesing the exact same genetic material):
a. combinatorial
b. cell theory
c. Gene regulation theory
4. All of the following are examples of posttranscriptional control of gene expression except:
a. the binding of activators to enhancers
b. alternative splicing
c. addition of poly-A tail
Explanation / Answer
Ans 1.(a) kinase phosphorylation
Ans 2. (b) regulation by protein phosphorylation
Ans 3. (c) gene regulation theory
Ans 4. (a) the binding of activators to enhancers