Which of the following statements is false?
a. HIV is the virus that causes AIDS.
b. The AIDS virus is a retrovirus.
c. The AIDS virus attacks macrophages, dendritic
cells, and helper T cells.
d. Even though the AIDS virus does not have its
own DNA, it causes the host to produce DNA
that will become part of host chromosomes.
e. Antibodies to the AIDS virus can be detected
immediately after infection occurs.
Answer: e
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If you were to travel to a region where rice is grown in paddies, you would see lots of the water fern Azolla growing in the water. A farmer would tell you this is done because Azolla is considered a “natural fertilizer. Explain why this is the case.
What will be an ideal response?
Collectively, the amygdala, olfactory bulbs, hippocampus, and parts of the thalamus and hypothalamus are said to form
A. the limbic system. B. the reticular formation. C. the basal nuclei. D. the sympathetic division. E. the frontal lobe.
An entomologist observed a locust sitting on a branch pumping its abdomen like an accordion. What is the insect most likely doing?
A. Speeding the flow of blood through its veins and arteries B. Assisting gas exchange in the tracheal system C. Clearing its spinnerets D. Stretching out its pedipalps 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 insect respiration? Choose Answer · Given what you now know, what information and/or problem solving approach 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?
Drier climates tend to prevail:a
on the windward side of mountains. b. in a rain shadow. c. close to the coast of the continent. d. in temperate regions. e. only in the northern hemisphere