For the polymerase chain reaction to occur,
a. isolated DNA molecules must be primed.
b. all DNA fragments must be identical.
c. the DNA must remain double stranded.
d. a sticky end must be available for the ligase
enzyme to function.
e. all of these must occur
A
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The total protein content of the cell is called the ________.
Fill in the blank(s) with the appropriate word(s).
Suppose you discover a mutant plant that cannot actively transport solutes across the tonoplast. Which
of the following should you expect?
a. The plant will wilt easily. b. The plant will generally be like a normal plant. c. The plant will not have leaves. d. The plant will not have roots. e. The plant cells will not be able to divide.
Euglenoids live in freshwater; a __________ rids
them of excess water. Fill in the blank(s) with the appropriate word(s).
Why is sexual reproduction more beneficial to a species living in an unpredictable environment than to one living in a constant environment?
What will be an ideal response?