MCQ
Which enzyme is useful in genetic engineering?
- ADNA-ase
- BAmylase
- CLipase
- DRestriction endonuclease
Explanation:
A restriction enzyme, restriction endonuclease is an enzyme that cleaves DNA into fragments at or near specific recognition sites within molecules known as restriction sites. In the bacterial cell, restriction enzymes cleave foreign DNA, thus eliminating infecting organisms.
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- To produce seeds without fertilisation is called apomixis
- Occurance of more than one embryo in a seed is referred to as polyembryony
- The pollen grains represent the male gametophytes.