Why is the destruction of helper T cells caused by HIV infection so crippling to adaptive immunity? What will be an ideal response?
ANSWER: During an adaptive immune response, helper T cells are responsible for activating both the
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What is the difference between mutualism and synergism?
A. In a synergistic relationship, both organisms benefit, but in a mutualistic relationship both organisms are harmed. B. In a mutualistic relationship, the organisms are dependent upon each other. C. In a synergistic relationship, the organisms cannot survive without each other. D. In a mutualistic relationship, both organisms benefit, but in a synergistic relationship both organisms are harmed.
The universal source of energy for cells is glycogen because energy is released by a single chemical reaction.
a. true b. false
Spermatogenesis occurs in the _______ tubules.
Fill in the blank(s) with the appropriate word(s).
What acts in the small intestine to breakdow protein
What will be an ideal response?