Which of the following indicates that the moon is unlikely to be a captured asteroid? Choose all that apply.

a. Its unique chemical composition.
b. Its numerous craters.
c. Its regular orbit around the Earth.
d. Its spherical shape.

it should be briana that has it to me

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

lesson summarykaryotypes a genome is the full set of all the genetic information that an organism carries in its dna. chromosomes arebundles of dna and protein found in the nucleus of a eukaryotic cell.