Quiz

Answer the following questions. 

1.Restriction enzymes are enzymes

Select one:

a.  Capable of restricting protein synthesis

b. Capable of cutting DNA molecules

c. Capable of joining DNA molecules

d.  Capable of adding nucleotides to the 3’OH end

 2.A collection of total genomic DNA from a single organism is called

Select one:

a. Gene regulation

b. Gene cloning

c. Gene library

d. Gene expression

3.Who discovered restriction enzymes

Select one:

a. Nathan, Arber and Smith

b. Jacob and Monad

c.  Watson and Crick

d. Boyer and Cohen

4.Which of the following ions are required for the activity of Type-II restriction enzymes

Select one:

a. Cl2+

b.  Mg2+

c. Ca2+

d. Mn2+

5.The type of restriction enzymes used in rDNA technology is

Select one:

a. All of these

b. Type-III

c. Type-II

d. Type-I