Help with Proteins and Amino Acids

Practice Questions

GRE Subject Test: Biochemistry, Cell, and Molecular Biology › Help with Proteins and Amino Acids

Questions
7
1

Which part of its amino acid mediates the interactions that form the tertiary structure of a protein?

2

Protein molecular structure can be described as a hierarchy. Which level of protein structure consists of spatial arrangements, such as alpha helices or beta sheets, that occur due to local folding in a polypeptide chain?

3

Which of the following properties is NOT a feature of the genetic code?

4

For amino acids, the phi () angle refers to the bond between __________ and the alpha carbon while the psi () angle refers to the bond between the alpha carbon and __________.

5

Which of the following amino acid sequences is most likely to form an alpha-helix?

6

Which of the following is true regarding the protonation of histidine at a pH of 7?

7

Interactions between which of these mediates the secondary structure of a protein?

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