An enzyme is a protein that speeds up the rate of a reaction in a biological process. For example, enzymes help break down large molecules to release energy during cellular respiration. Which explains how enzymes are involved in energy conversions? 9CEnzymes add the pressure needed for a reaction to happen. Enzymes lower the activation energy needed for a reaction to happen. Enzymes are so reactive that they speed up less reactive molecules. Enzymes add small amounts of energy to make a reaction happen.

The answer would be c, white eyes are homozygous recessive. in the early 1900s, morgan conducted several experiments with vinegar  flies (drosophila). one  sample revealed an anomaly: a  white-eyed, single male fly. he attempted to breed this fly with the typical red-eyed females. the offspring were all red-eyed. using flies from this new generation (brother-sister pairs)  produced some red-eyed and a few white-eyed flies. the white-eyed were all male. in later experiments, he was able to produce white-eyed females. this proved that white eyes are not lethal to either sex (ruling out a and b). since the percentage of white eyes to red eyes is so low, white eyes are not a dominant trait. it would be a recessive trait. 

Are their choices to the question?

Ibelieve the answer is b) aerosol inhalation may lead to heart attacks.