Which of the following elements is (are) likely

to provide hints about earth's early
atmosphere?



a. ancient rocks
b. volcanic eruptions
c. ancient rocks and volcanic eruptions
d. meteorites and ancient rocks
e. meteorites, volcanic eruptions, and ancient
rocks


E

Biology & Microbiology

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As a fish forces water across its gill, the blood flowing through the gill

a. picks up O2 over the whole route of exchange. b. picks up O2 during the first half of the exchange path, then equilibrates. c. picks up O2 over the second half of the exchange route only. d. removes O2 from the gill and then releases most of its O2 back to the gill. e. releases O2 over the whole route of exchange.

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What do the fatty acids of the phospholipids do?

What will be an ideal response?

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The mechanism of action of RhoGAM is to (activate/neutralize/prevent) an anti-Rh immune response

What will be an ideal response?

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Sandhu has type 1 diabetes, so he must frequently inject himself with insulin. He has to be careful not to inject himself too often or with too much of the hormone because this vital chemical will virtually disappear from his bloodstream

A) glycogen B) oxygen C) glucose D) Oxycontin

Biology & Microbiology