The mitochondrion

a. has its own DNA.
b. DNA has few noncoding regions between
genes.
c. resembles bacteria in size.
d. resembles bacteria in structure.
e. is all of these.


E

Biology & Microbiology

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Fats are emulsified by _____, which is secreted into the small intestine

a. pepsin b. chymotrypsin c. amylase d. bile

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Four of the five answers listed below are periods of the cell cycle. Select the exception

a. G1 b. M c. R d. S e. G2

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ectotherms

What will be an ideal response?

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Both mosses and ferns "show their aquatic ancestry" because they:

A) require water for egg laying. B) typically require water for sperm delivery to the egg. C) lack a water-repellent cuticle. D) have roots that must remain wet at all times.

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