Many species of snakes lay eggs, but in the forests of northern Minnesota where growing seasons are short, only live-bearing snake species are present. This trend toward species that perform live birth is an example of

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#Question id: 20275

#Unit 7. System Physiology – Animal

Vasopressin has two actions, one on the kidney and the other on vascular smooth muscle, Contraction of vascular smooth muscle are mediated by different receptors, different intracellular mechanisms, and different second messengers,

a. The receptor for ADH on vascular smooth muscle is a V1 receptor

b. The receptor for ADH on the vascular smooth muscle is a V2 receptor

c. The second messenger for this action is IP3/Ca2+ 

d. The second messenger is cAMP.

Which of the above is/are correct? 

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#Question id: 31032

#Unit 4. Cell Communication and Cell Signaling

Which of the following amino acid phosphorylation is required for the activation of PKA? 

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#Question id: 18585

#Unit 7. System Physiology – Animal

The relaxation technique that relieves tension and increases oxygen intake is ______.

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#Question id: 10460

#Unit 6. System Physiology – Plant

CCT overexpression mutant shows____

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#Question id: 23984

#Unit 8. Inheritance Biology

Deletion within the human genome on that sequence that are highly evolutionary conserved with their closely related organism, such conserved deletion is