Pls I need help with this taxonomic key. I have been posting this for hours and I'm super stuck pls help

How can you approximate the number of calories required to keep you in energy balance?

Asap indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. alleles: a=agouti, c=chinchilla, a=albino, a is dominant over c and a, c is dominant over a agouti x chinchilla a) 1/2 chinchilla, 1/2 agouti b) 3/4 chinchilla, 1/4 agouti c) all agouti

Which of these parts of the membrane large moecules pass through it ?