Which cloud best described as sheets or layers that cover most of the sky?

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

Nucleic acids offer variability because they contain alternate forms of genes called .

Why has two different alleles for the same trait?