MCQ
In which technology sperm is directly injected into the ovum?
- AIUT
- BICSI
- CZIFT
- DGIFT
Explanation:
ICSI or Intracytoplasmic Sperm Injection is an assisted reproductive technology. It is used in the case of sperm-related reproductive issues.
The sperm is obtained from a male and injected into a mature egg and the fertilized egg is placed in a woman's fallopian tube or uterus.
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$I.$ Human insulin is made-up of $51$ amino acidsarranged in two polyperptide chains.
$II.$ The two polypeptide chains are interconnected by two disulphide bridges.
$III.$ In mammals including humans, insulin is synthesised as a pro-hormone, which contains an extra stretch called the $C$ -peptide.
$IV.$ $C$ -peptide is not present in the mature insulin
Which of the statements given above are correct?