Your friend always refers to meat as protein. you try to correct her by stating that:

All foods have mixtures of the energy-giving nutrients.

Explanation:

Meat is not only made up of protein, iwrongt would be naive to say to meat is wholly protein, since other nutrients are present.

Every food possesses energy-giving nutrient mixtures. Meat for example, as high protein content, significant amount of lipids, fat-soluble vitamins (A, D, E and K), water-soluble vitamins (the vitamin B family).

humans, along with other animals and plants, have linear chromosomes that are arranged in pairs within the nucleus of the cell. the only human cells that do not contain pairs of chromosomes are reproductive cells, or gametes, which carry just one copy of each chromosome.

not sure if this is what you'r looking for eubacteria and archaebacteria