The first level of dna organization in a eukaryotic cell is maintained by which molecule?.

answer; ///(b) it is composed of four protein chains and four heme groups;

c. live where it’s cold and icy

protein makes up the building blocks of organs, muscles, skin, hormones and pretty much everything that matters in your body.

some choices are:

peanut butter

seeds

eggs

yogurt

meats

fish

so pretty much meat, dairy, nuts, and grains.