During phase I of AIDS, opportunistic infections appear.
a. true
b. false
Answer: b. false
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Why are fungi used to clean oil spills?
A. Fungi use the hydrocarbons in oil instead of CO2 during photosynthesis. B. The chemicals in oil kill off the fungus's competitors. C. Fungi use the organic molecules in the oil as food. D. Fungi store the hydrocarbons in their large central vacuoles. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about fungi? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Communication and integration of responses between simultaneously occurring cell signaling pathways is called
____.
a. mutualistic responding b. effector coordination c. cross-talk d. amplification e. signal transduction
Where in a diatom would you find its yellowish photosynthetic pigment?
A. in the plasma membrane B. in the cytoplasm C. in the cell wall D. in the nucleus E. in chloroplasts
Scientists at NIH are making progress in using stem-cells to cure
a. Parkinson’s disease. b. type 2 diabetes. c. sickle-cell anemia. d. bipolar disorder. e. anorexia.