Which of the following can act as molecular scissors?
Select the correct statements about sickle cell anaemia.
(A) There is a change in gene for beta globin.
(B) In the beta globin, there is valine in the place of Lysine.
(C) It is an example of point mutation.
(D) In the normal gene U is replaced by A.
Choose the correct answer from the options given below :
Given below are two statements :
Statement I :- Intra Cytoplasmic Sperm Injection (ICSI) is another specialised procedure of in-vivo fertilisation.
Statement II :- Infertility cases due to inability of the male partner to inseminate female can be corrected by artificial insemination (AI).
In the light of the above statements, choose the correct answer from the options given below:
Match List-I with List-II.
| List - I (ECG) |
List - II (Electrical activity of heart) |
||
|---|---|---|---|
| (A) | P-wave | (I) | Depolarisation of ventricles |
| (B) | QRS complex | (II) | End of systole |
| (C) | T wave | (III) | Depolarisation of atria |
| (D) | End of T wave | (IV) | Repolarisation of ventricles |
Choose the correct answer from the options given below :