1. What is the energy molecule of the cell called?

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

What is the most appropriate method of gaining weight (muscle mass)

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x albino a) all chinchilla b) 1/2 chinchilla, 1/2 albino c) 3/4 chinchilla, 1/4 albino