A respiratory surface is indicated by

a. A.
b. B.
c. C.
d. D.
e. E.


Answer: a

Biology & Microbiology

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The pseudoautosomal regions of the Y chromosome correspond to

A) male-specific regions of the Y chromosome. B) female-specific regions of the Y chromosome. C) counterparts on the X chromosome with which they can cross over. D) places on the interior of the nuclear membrane where the Y chromosome attaches during cell division.

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The net direction that an ion or molecule moves is

a. dependent upon the size of the molecule. b. unpredictable because movement is random. c. influenced by the temperature of the medium. d. influenced by the membranes in the vicinity. e. the result of concentration differences.

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Cells that store lipids (fats) for long-term energy are found in ________ tissue

Fill in the blank(s) with correct word

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_____ are removed from new mRNA transcripts

a. Introns b. Exons c. Telomeres d. Amino acids

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