Answer the question using the accompanying figure. This figure illustrates ____ signaling

a. classical endocrine
b. exocrine
c. autocrine
d. Paracrine
e. neuroendocrine


ANSWER: c

Biology & Microbiology

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Archaeopteris, the first known tree, has all of the following characteristics EXCEPT:

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Which of the following is not predicted to occur due to increasing levels of atmospheric carbon?

1.Rises in ocean level 2.Ocean acidification 3.Disruption of regional patterns of rainfall and temperature 4.All of these are predicted results.

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Which of the following describes an individual who is a carrier of a genetically inherited disease?

a. The individual has the disease, and any offspring will have the disease. b. The individual does not have the disease, but must have a parent with the disease. c. The individual does not have the disease, but may have offspring with the disease. d. The individual has the disease, and must have a parent with the disease.

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A network of interactions that involves the cycling of materials and the flow of energy among organisms and their physical environment is ____.

A. a population B. a community C. an ecosystem D. the biosphere E. the habitat

Biology & Microbiology