All of the following support the idea that RNA may have been the first genetic material EXCEPT?
A. There are viruses that use RNA as genetic material.
B. RNA is a simpler molecule than DNA.
C. RNA does not mutate.
D. RNA has been shown to be able to make copies of itself.
C. RNA does not mutate.
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The chances of surviving sudden cardiac arrest
increases by ___ percent when the affected person receives CPR within ___ to ___ minutes after the event.
a. 100--10--15 b. 50--4--6 c. 50--10--15 d. 100--4--6 e. 50--40--60
__________ counters the effects of mutation, natural selection, and genetic drift. Fill in the blank(s) with the appropriate word(s)
During the ____ period, because their symptoms are declining as they are recovering, many patients stop taking their antibiotics
Fill in the blank(s) with the appropriate word(s).
The ciliary muscle of the eye changes the shape of the _______
Fill in the blank(s) with correct word