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#Question id: 5543


What is the purpose of the chorion in terrestrial vertebrate embryos?

#Unit 5. Developmental Biology
  1. To keep the embryo moist

  2. To exchange oxygen and carbon dioxide with the environment

  3. To absorb nutrients stored in yolk

  4. To store nitrogenous waste


Answer:- Option(s): 2


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#Question id: 11572

#Unit 7. System Physiology – Animal

When a person drinks alcohol, the rate of urination increases. Which of the following best accounts for the increase in urination above normal rates?

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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: 11574

#Unit 7. System Physiology – Animal

Glucocorticoids do which of the following?

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#Question id: 11575

#Unit 7. System Physiology – Animal

Fight-or-flight reactions include activation of the ________.

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#Question id: 11576

#Unit 7. System Physiology – Animal

The amino acid tyrosine is a starting substrate for the synthesis of :

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#Question id: 11577

#Unit 7. System Physiology – Animal

If the adrenal cortex were surgically removed, an increase in the plasma levels of ________ would likely be observed.

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