The innate response resists a particular foreign agent; moreover, innate immune responses improve on repeated exposure to the agent.
Answer the following statement true (T) or false (F)
False
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Aquaporins are
A) water transport proteins. B) molecules that prevent water from crossing a membrane. C) enzymes involved in the generation of water within cells. D) cations bound to water molecules.
Researchers use HeLa cells to
a. study cancer. b. study viral growth. c. perform protein synthesis. d. study the effects of radiation. e. do all of these.
__________, such as jellyfishes, corals, and sea
anemones, are radially symmetrical. Fill in the blank(s) with the appropriate word(s).
Which of the following best describes meiosis and/or mitosis?
a. Meiosis is involved in producing cells with the same number of chromosomes as the parent cell. b. Mitosis is involved in producing cells with half the number of chromosomes as the parent cell. c. Meiosis is involved in repair and growth of the cells that comprise the body of an organism. d. Mitosis is invol