Which of the following is a functional group that is part of a building block of proteins?a. phosphateb. adeninec. aminod. ribose

The side chain of which residue can be hydrogen bond donor:   a. Thr b. Ala c. Ile d. Pro e. Phe

What do phosphates do to protein molecules? Select one: a. Phosphates denature proteins b. Phosphates help build larger proteins c. Phosphates cause protein conformation shape changes d. Phosphates decrease pH leading to protein coagulation

Which of the following describes the tertiary structure of proteins?   A. Helices and sheets formed from hydrogen bonds between the amino acids of polypeptides   B. The functional domains that form from interactions between different parts of the polypeptide   C. The association of multiple polypeptides   D. The linear sequence of amino acids making up the polypeptide

Which part of the amino acid varies between different types of amino acids?   A. The amino group   B. The carboxyl group   C. The side chain   D. All of the above

What types of bonds form between 5' and 3' carbons on the same strand of DNA/RNA? which answer choice? a. Hydrogen bond  b. Phosphodiester bond c. Peptide bond d. Ionic bond

The structure of a protein results from the folding ofthe pleated sheets or helices.a. primary c. tertiaryb. secondary d. quaternary

With an example, explain how a change in an amino acid can change the structure of a protein.

Which of the following statement(s) about proteins is true? a. proteins are polymers of amino acids chemically joined by dipeptide bondsb. proteins have 4 functional levelsc. proteins can be irreversibly denaturedd. fibrous proteins are functional and globular proteins are structurale. none of the above

The three-dimensional conformation of a protein may be strongly influenced by amino acid residues that are very far apart in sequence. This relationship is in contrast to secondary structure, where the amino acid residues are: a. always side by side. b. generally near each other in sequence. c. invariably restricted to about 7 of the 20 standard amino acids. d. often on different polypeptide strands. e. usually near the polypeptide chain's amino terminus or carboxyl terminus.