click below
click below
Normal Size Small Size show me how
Protein Structure
| Question | Answer |
|---|---|
| True or false? Primary structure is a sequence of amino acids. | True |
| True or false? Secondary structure of protein molecules refers to the formation of alpha helices and beta pleated sheets | True |
| True or false? Tertiary structure is a higher level of folding in which the helices or sheets of the secondary structure fold upon themselves | True |
| True or false? Quaternary structures form by peptide bonds | False |
| True or false? Quaternary arises when..two or more polypeptide chains join to form a protein. | True |
| True or false? Peptide bonds are the bonds formed by condensation between amino acids in polypeptide chains | True |
| True or false? Hydrogen bonds hold primary structures together | False |
| True or false? Alpha and beta sheets are secondary structures held by hydrogen bonds | True |
| True or false?R groups form bonds in tertiary structures | True |
| Disulphide bridges form between these functional groups; COO- and NH3+ True or false? | False! |
| Ionic bonds form between these groups: OH and H True or false? | False! |
| Hydrogen bonds form between these groups: -S and -S True or false? | False! |
| True or false? R groups on amino acids influence their chemical properties in water | True |