They were correct in doing so. The schematic structure drawn at right represents that of a typical carotenoid. ATP is a nucleotide. The fatty acids in a phospholipid are usually found in the interior of a membrane formed by these molecules. A schematic structural drawing for the base adenine would be 8.
Covalent bonds involve the sharing of two electrons between two atoms.
If used in taxonomy, a tribe would be a collection of similar genuses. A phylum is the term for a collection of similar classes typically used by plant biologists. Pts. as indicated. B. natural selection C. theory D. competitive inhibition E. community F. receptor protein 2. Describe how the amino acids proline and cysteine can have major effects on the tertiary structure of a protein.