When adenylyl cyclase is activated,

A) cAMP is formed.
B) protein kinases are metabolized.
C) calcium ions are released from intracellular stores.
D) steroids are produced.
E) cAMP is broken down.


A) cAMP is formed.

Anatomy & Physiology

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Hormones that dominate during the resistance phase of the general adaptation syndrome (GAS) are the

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Surfactant is produced for the first time at the third month of gestation

Indicate whether the statement is true or false

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Which of these is not a feature of the muscosa of the gastro - intestinal tracts?

(a) lamina propria (b) goblet cells (c) myentric plexus (d) plicae circulares

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The epiphysis and diaphysis of a long bone in a child are bound by a ________.

A. symphysis B. synchondrosis C. lap suture D. serrate suture E. plane suture

Anatomy & Physiology