In Xenopus, the elongation of the mesoderm toward the anterior results from the intercalation of cells during a process called:

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#Question id: 23185

#Unit 13. Methods in Biology

An example of the use of a FRET biosensor for protein kinase a, which gives

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#Question id: 2349

#Unit 2. Cellular Organization

A liver cell would detect the presence of insulin by

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#Question id: 12755

#Unit 10. Ecological Principles

Which of the following statements best describes why biologists are currently concerned with global warming and the thawing of permafrost in many areas of the tundra biome?

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#Question id: 11573

#Unit 7. System Physiology – Animal

Removing which of the following glands would have the most wide-reaching effect on bodily functions of an adult human?

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#Question id: 24518

#Unit 10. Ecological Principles

Some nonnative parasites are introduced deliberately for the biological control of pests, which of the following are necessary attributes of a good agent of biological control?

a. low rate of increase relative to the host’s

b. Good dispersal ability

c. High searching capacity for hosts

d. Minimal time lag effects

e. Maximal time lag effect

f. General adaptability to the environment