What is a plus-strand virus?
What will be an ideal response?
Ans: A plus-strand virus is a virus that has an RNA genome that can directly translated into protein products. Retroviruses are plus-strand viruses.
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In the second generation of a cross of DDRR
with ddrr the most common genotype would be
a. DDRR. b. DdRR. c. DdRr. d. ddRR. e. ddRr
The only way to meet the resource needs of
future generations is through
a. sustainable resource use. b. biological magnification. c. creating conservation hotspots. d. clear cutting and mining. e. increasing use of nonrenewable resources
Antibiotics can be effective only against a
A) bacterium. B) virus. C) prion. D) viroid.
Mutations are the original source of new alleles, but may be adaptive, __________ or __________.
Fill in the blank(s) with the appropriate word(s).