MCQ
The first stage of graafian follicular growth involves
- AAddition of layers of granulosa cells
- ✓Moderate enlargement of the ovum
- CFormation of theca interna
- DFormation of theca externa
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$(i)$ Fleming, Chain and Florey were awarded the Nobel prize in $1945$
$(ii)$ Antibiotics have greatly improved our capacity to treat deadly diseases
$(iii)$ Penicillin was used to treat American soldiers wounded in World War I
| List $I$ | List $II$ |
| $A.$ Cocaine | $I.$ Effective sedative in surgery |
| $B.$ Heroin | $II.$ Cannabis sativa |
| $C.$ Morphine | $III.$ Erythroxylum |
| $D.$ Marijuana | $IV.$ Papaver somniferum |
Choose the correct answer from the options given below:
$3'ATGCATGCATGCATG5'$ TEMPLATE STRAND
$5' TACGTACGTACGTAC3'$ CODING STRAND