The region of the amino acid molecule that
determines the specific amino acid is the
a. amine group.
b. carboxyl group.
c. backbone.
d. hydroxyl group.
e. “R” group.
Answer: e
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Trace fossils include all of the following except:
A. the mineralized skull of an ancient mammal. B. the trail left by a crawling worm. C. the impression of a bird feather. D. a dinosaur footprint. E. the burrow of an extinct crab.
Epiglottitis is a potentially life-threatening disease because the patient's airway can become completely obstructed (blocked) if not treated. Which bacterium usually causes this disease?
a. Haemophilus influenzae type B b. Corynebacterium diphtheriae c. Streptococcus pyogenes d. Type A influenza virus
Which of the following statements about water is false?
A) It is the least abundant component of the cytoplasm B) It is required for cellular metabolism C) Water serves as a source of electrons and hydrogen ions D) Water acts as a solvent for chemical reactions
T or F: the anatomical position is the only position used by biomechanists
What will be an ideal response?