Smooth muscle contracts when calcium binds to __________ and activates __________
Fill in the blank(s) with the appropriate word(s).
Ans: calmodulin; myosin light chain kinase
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A fever augments the host's defenses by
A. enhancing microbiostasis. B. enhancing the activity of the immune system. C. stimulating leukocytes into action. D. All of the choices are correct.
What is the economic importance of fungi? Name at least 10 products made utilizing fungi. What will be an ideal response?
Protein breakdown produces ____, which requires a large amount of water to flush out of the body.
A. nitrogen gas B. carbon dioxide C. ammonia D. carbon monoxide E. oxygen
Cephalization is
A. concentration of the sensory organs on the anterior end of the body. B. embryonic development of the head in advance of the rest of the body. C. a malformation of the head. D. an evolutionary degeneration of the head as seen in some parasites. E. concentration of the sensory organs on the posterior end of the body.