Protein kinase is an enzyme that _____

A) functions as a second messenger molecule
B) serves as a receptor for various signal molecules
C) activates or inactivates other proteins by adding a phosphate group to them
D) produces second messenger molecules


Answer: C

Biology & Microbiology

You might also like to view...

Which of the first three statements about

independent assortment is NOT true?

a. genes on homologous chromosomes assort independently b. genes on the same chromosome that are far apart tend to assort independently c. genes close together on the same chromosome tend to assort independently d. all of the first three statements about independent assortment are NOT true e. one of the first three statements about independent assortment is NOT true

Biology & Microbiology

What is the structure and function of steroid receptors?

What will be an ideal response?

Biology & Microbiology

Which statement concerning reproduction is FALSE?

(a). Hereditary information is passed on to the next generation. (b). Hereditary information is in the form of genes. (c). The offspring of asexual organisms have the same genes as the single parent. (d). The offspring of sexual organisms have roughly one half of the genes from each parent. (e). The offspring of multicellular organisms tend to be identical to the parent.

Biology & Microbiology

Herpes whitlow is a deep set herpes simplex virus infection of the

A. nasal mucosa. B. eye. C. oral mucosa and tongue. D. newborn. E. finger.

Biology & Microbiology