Drug and Pharmaceutical Biotechnology Mock Test 9

10%

Question 1 of 10

1. Sex pilus is not required for plasmid transfer.

True

False

Question 1 of 10

Question 2 of 10

2. Which one of the following gets transferred during Hfr conjugation?

Donor plasmid

F factor

Donor DNA

F- factor

Question 2 of 10

Question 3 of 10

3. What is the name of the bond formed between two ions by the sharing of electrons?

Disulfide bond

H bond

Hydrophobic interaction

Covalent bond

Question 3 of 10

Question 4 of 10

4. One of the Main Forces that stabilize covalent structures in proteins is the interaction between the protein and the ____________

Cell debris around

Other protein

Solvent

Cells around

Question 4 of 10

Question 5 of 10

5. Which of the following is a characteristic of the secondary structure of a protein?

Amino acid sequence

Association of polypeptides

Association of secondary structure

Alpha helix and beta sheets

Question 5 of 10

Question 6 of 10

6. What is the unidirectional transfer of genetic material from the donor to the recipient is termed?

Conjugation

Recombination

Transformation

Transduction

Question 6 of 10

Question 7 of 10

7. What is the approximate strength of the interaction between atoms in a covalent bond?

100 kJ/mol

500 kJ/mol

250 kJ/mol

150 kJ/mol

Question 7 of 10

Question 8 of 10

8. Which of the following of a protein molecule determines the strength of van der Waals force?

PI of the protein

Number of amino acids present

The surface area of the molecule

The molecular weight of the protein

Question 8 of 10

Question 9 of 10

9. By whose experiment evidence of the existence of conjugation was established?

Robert Hook

Thomas Bill and Jimmy Bill

Joshua Lederberg and Edward Tatum

Albert Einstein

Question 9 of 10

Question 10 of 10

10. The HPV protein-encoding genes are expressed in _______ vectors to create large amounts of protein.

Yeast

Protozoa

Virus

Bacteria

Question 10 of 10