1. Isocitrate dehydrogenase is regulated by phosphorylation. the protein kinase

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

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