Which amino acid always begins a polypeptide (protein) during translation?
A) valine
B) phenylalanine
C) methionine
D) arginine
C
You might also like to view...
Extrapulmonary TB is more common in
A. AIDS patients. B. the elderly. C. organ transplant patients. D. young children and immunosuppressed patients. E. All of the choices are correct.
Which of the following is NOT involved in some
way in the body’s first line of defense? a. urination b. diarrhea c. gastric juice d. complement e. ciliated cells
Carbon monoxide can be released by brain cells and stimulates
a. adenylate cyclase and blood vessel contraction. b. guanylate cyclase and blood vessel dilation. c. NO-synthase and muscle cell contraction. d. cyclooxygenase and prostaglandin synthesis.
Which of the following toxins is NOT a cytolytic exotoxin?
a. hemolysin b. Shiga toxin c. leukocidin d. phospholipase