Starting with one molecule of acetyl CoA as an input, how many oxidation reactions occur during the Krebs cycle?
A. three
B. eight
C. six
D. two
E. one
Answer: A
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The characteristic that makes the muscle cells unique is the relative abundance and organization of
A. fibroblast cells. B. actin and myosin fibers. C. gelatinous mass. D. keratin fibers. E. collagen fibers.
When a person has laryngitis, he or she cannot speak. What must happen to permit normal speech?
A) Inflammation in the bronchioles has to go down before enough air can enter the lungs. B) The swelling of the vocal cords must decrease so they can vibrate normally. C) Inflammation in the trachea has to go down before enough air can enter the lungs. D) The epiglottis must cover the glottis.
The integument includes all of the following except ________.
A. sweat glands B. skin C. nails D. surface capillaries E. hair
What is the purpose of peptone?
What will be an ideal response?