Sporulation generally occurs under which of the following circumstances?
A) when conditions are unfavorable or there are insufficient nutrients
B) when microbes are exposed to a new, favorable environment
C) when microbes are under little stress and can become dormant
D) when resources become highly abundant
Ans: A) when conditions are unfavorable or there are insufficient nutrients
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Natural selection results in changes in ____
a. individuals b. populations c. kingdoms d. phyla e. animals only
One of the first drugs used to treat HIV was AZT, a nucleotide [thymine (T)] analog (T nucleotide (versus U) is an important hint). AZT was first developed within the context of treating cancer. What aspect of cell growth was AZT, in particular, expected to inhibit?
A fruit, such as a strawberry, that develops from tissues of the receptacle as well as the ovary would be considered
a(n) ____.
a. aggregate fruit b. accessory fruit c. multiple fruit d. simple fruit e. compound fruit
Aniline dyes like crystal violet have antimicrobial activity particularly against gram-positive bacteria and some fungi.
Answer the following statement true (T) or false (F)