A mutation is a change in

a. homeostasis.
b. the developmental pattern in an organism.
c. metabolism.
d. DNA.
e. the life cycle of an organism.


Answer: d

Biology & Microbiology

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Any process that results in a decrease in the free energy of the system is called ________.

Fill in the blank(s) with the appropriate word(s).

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The three components of the female reproductive system that are required for successful reproduction are the eggs,

____________________, and ____________________. Fill in the blank(s) with the appropriate word(s).

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Bryophytes never formed forests (mats, yes, but not forests) because

A) they possess flagellated sperms. B) not all are heterosporous. C) they lack lignified vascular tissue. D) they have no adaptations to prevent desiccation. E) the sporophyte is too weak.

Biology & Microbiology

How many cross-over events are depicted in the following figure?

a. zero b. one c. two d. four e. five

Biology & Microbiology