You are given a sample cell to examine under a microscope, but the sample was labeled with the name of the cell. You think it is a prokaryote, but need to confirm. How could you tell?

A prokaryotes are bacterial cells (false cells). You would want to look for the absence of mitochondria or chloroplasts. Prokaryotes have plasmids, something which eukaryotes don't have. The DNA of the prokaryote is a single molecule that is free in the cytoplasm (has no nucleus)

Explanation:

every el niño cycle is different. every year.

this is true, assuming that the allele is completely recessive and incomplete dominance is not a factor.