| Coverage : The Amino Acids and Proteins Quiz tests your knowledge about the building blocks, and structure of protein. |
| 1. | Amino acids can be: |
| a. | | Polar |
| b. | | Nonpolar |
| c. | | Charged |
| d. | | Uncharged |
| |
| 2. | What is the structure of an amino acid? |
| a. | | An amino group, a carboxyl group, a hydrogen atom, and an R-group |
| b. | | An amino group, a carboxyl group, a hydrogen atom, and an S-group |
| c. | | An amino group, a carboxyl group, a helium atom, and an R-group |
| d. | | An amino group, a hydroxyl group, a hydrogen atom, and an S-group |
| |
| 3. | Amino acids are linked together to form peptides with which type(s) of bonds? |
| a. | | Aminoacyl bond |
| b. | | Hydrogen bond |
| c. | | Carbon-carbon double bond |
| d. | | Peptide |
| |
| 4. | All of the below describe protein structure except: |
| a. | | Strands |
| b. | | Sheets |
| c. | | Squares |
| d. | | Globules |
| |
| 5. | What determines the shape of a protein? |
| a. | | Hydrophilic interactions of R-groups |
| b. | | Hydrophobic interactions of R-groups |
| c. | | Formation of hydrogen bonds between amino acids |
| d. | | Compression by carbohydrates |
| |
| 6. | If you are discussing the sequence of amino acids in a polypeptide chain then you are talking about a proteins': |
| a. | | Primary structure |
| b. | | Secondary structure |
| c. | | Tertiary structure |
| d. | | Quaternary structure |
| |
| 7. | Tertiary structure is primarily due to interactions among R-groups. |
| a. | | True |
| b. | | False |
| |
| 8. | How can a protein can be denatured so that it becomes dysfunctional? |
| a. | | Increased temperature |
| b. | | Added silica |
| c. | | Added hydrochloric acid |
| d. | | Increased salt concentration |
| |
| 9. | A protein's primary structure dictates its final chemical behavior. |
| a. | | True |
| b. | | False |
| |
| 10. | How many common amino acids are used as building blocks? |
| a. | | 10 |
| b. | | 15 |
| c. | | 20 |
| d. | | 25 |
| |
| 11. | Of the common amino acids, how many are considered essential? |
| a. | | 4 |
| b. | | 8 |
| c. | | 12 |
| d. | | 16 |
| |
| 12. | Which of the following are roles that proteins play in organisms? |
| a. | | Catalysis of reactions |
| b. | | As cell receptors for molecules |
| c. | | As energy sources |
| d. | | To form hair and nails |
| |
