Protein Engineering Mock Test 7

10%

Question 1 of 10

1. The expression of bacteriorhodopsin is especially shown by which of the following organisms?

Halobacteria

Mammals

Animals

Birds

Question 1 of 10

Question 2 of 10

2. Which of the following are long molecular chains that makeup proteins?

Carbohydrates

Lipids

Nucleotides

Peptides

Question 2 of 10

Question 3 of 10

3. The function of rhodopsin and bacteriorhodopsin is the same.

True

False

Question 3 of 10

Question 4 of 10

4. Families of proteins with homologous tertiary structures that have diverged from a common ancestor show amino acid sequence differences.

False

True

Question 4 of 10

Question 5 of 10

5. Which among the following is the central metal ion in chlorophyll?

Mg⁺²

Mg⁺¹

Fe⁺³

Fe⁺²

Question 5 of 10

Question 6 of 10

6. What is the missing component in the flow diagram of the rational design of proteins given below?

Structure prediction

Structure visualization

Site-directed mutagenesis

Protein-ligand assay

Question 6 of 10

Question 7 of 10

7. How many combinations of tripeptides can be formed if three solutions of different amino-acids are mixed?

Nine

Twenty-four

Sixteen

Twenty-seven

Question 7 of 10

Question 8 of 10

8. X-ray crystallography is not required in each and every cycle of rational protein design.

True

False

Question 8 of 10

Question 9 of 10

9. In the protein engineering cycle, the three-dimensional structure of the protein-ligand complex is defined by which of the following techniques?

Mass spectrometry

HPLC

Optical spectroscopy

High-resolution X-ray analysis

Question 9 of 10

Question 10 of 10

10. The side group of lysine is protected by which of the following protecting groups?

A tertiary butyl group (tBu)

A triphenylmethyl group (Trt)

A tertiarybutyloxycarbonyl (tBOC)

2,2,5,7,8-pentamethylchroman-6-sulphonyl group (PMC)

Question 10 of 10