When two amino acids combine via a dehydration reaction,
A. the R groups are lost.
B. a peptide bond is formed.
C. the amino group of each join together.
D. water is added to begin the reaction.
E. the carboxyl group of each join together.
Answer: B
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The molecule shown above is a(n) ____
a. triglyceride b. amino acid c. steroid d. polysaccharide e. phospholipid
Which of the following statements about the
prostate is FALSE?
a. Prostate enlargement can be a symptom of prostate cancer. b. Prostate cancer is the leading cause of death in males. c. In young men, the prostate gland is the size of a walnut. d. The urethra runs through the prostate gland. e. The prostate gland is directly below the urinary bladder.
Atoms that have the same number of protons but differ in the number of neutrons are called ________
Fill in the blank(s) with correct word
What controls the shape of the lens?
A. pupil B. iris C. fovea centralis D. ciliary muscle E. cornea