Restriction Enzymes - Assessment

1.

Multiple Choice

30 sec

1 pt

1. If the recognition sequence of the restriction enzyme HindIII is AAGCTT, then how many covalent bonds will be broken by the enzyme in the following DNA molecule?

1

2

3

4

2.

Multiple Choice

30 sec

1 pt

Who discovered Restriction Enzymes?

a).Watson and Crick

b).Arber ,Natha, Linn

c).Jacob and Monod

d).Beadle and Tatum

3.

Multiple Choice

1 min

1 pt

1. The DNA base sequences recognized by Endonuclease are called

a).Restriction Site

b). Recognition Site

c).Fragmentation Site

d).cutting Site

4.

Multiple Choice

30 sec

1 pt

The sequence that that restriction Enzymes recognizes contains how many bases?

a).1

b). 3

c).6

d).12

5.

Multiple Choice

30 sec

1 pt

Which was the first Restriction Enzyme discovered ?

a).HindII

b). EcoRI

c).BamHI

d).HindIII

6.

Multiple Choice

30 sec

1 pt

How do we name restriction Enzymes ?

a).First letter in Cap for Genus, next two letter in small for species, next one letter for strain and roman numeral for order of discovery

b). First two letter in Cap for Genus, next one letter in small for species, next one letter for strain and English numeral for order of discovery

c). First two letter in Cap for Genus, next one letter in capital for species, next one letter for strain and roman numeral for order of discovery

d). First two letter in Cap for Genus, next one letter in small for species, next one letter for strain and roman numeral for order of discovery

7.

Multiple Choice

1 min

1 pt

The recognition sites for restriction enzymes are :

a).Tautomer

b). Pallindrome

c).Metamere

d).Acronym

8.

Multiple Choice

1 min

1 pt

Restriction Enzymes are isolated from :

a).Protozoa

b). Bacteria

c).Virus

d).Fungi

9.

Multiple Choice

1 min

1 pt

Restriction Enzymes were primarily used as :

a).Defence by Protozoa against antibiotics

b).Tool by Virus to cleave Bacterial genome

c)Defence by Bacteria against bacteriophages viruses

d).All of the above

10.

Multiple Choice

1 min

1 pt

Restriction enzymes belong to class of enzymes:

a).Peptidase

b).Amylases

c).Lipases

d).Nucleases

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