Restriction endonucleases - Vidyadip

MCQ

Restriction endonucleases

A
Are used for in uitro $ DNA$ synthesis
✓
Are synthesized by bacteria as part of defense mechanism
C
Are present in mammalian cells for degradation of $DNA$ when the cells dies
D
Are used in genetic engineering for ligating two $ DNA$ molecules

✓

Answer

Correct option: B.

Are synthesized by bacteria as part of defense mechanism

b

(b) Restriction endonuclease $Eco$ $ RI$ is produced by bacterium Escherichia colistrain $ RY$ $ 13.$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (0.5 Marks)" from STD 12 - 9. biotechnology principlas and process→STD 12 - 9. biotechnology principlas and process — all question types→BIOLOGY STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

In tropical rain forest most of the energy in ecosystem flows through

The reservoir for the gaseous type of bio-geo chemical cycle exists in:

Starting from the innermost part, the correct sequence of parts in an ovule are:

How many hotspots of biodiversity in the world have been identified till date by Norman Myers ?

Raw material for decomposition represented by dead organic matter is

Origin of mammal-like reptiles occurred in

If carbon dioxide is withdrawn from the biosphere, which organism would first experience negative effects:

Choose the false pair

-They were land reptiles.

- They had huge fearsome dagger like teeth.