MCQ
Choose the wrong statement
- ARespiratory pigments are coloured pigments
- BRespiratory pigments have special affinity for respiratory gases
- CRespiratory pigments are the coloured proteins which contain a metallic ion
- ✓None of the above
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$A.$ Barrier methods of contraception
$B.$ Cover the cervix during coitus
$C.$ Protect the user from contracting $STDs$
$D.$ They are reusable
| Column-l | Column-II |
| A. Resting potential | i. Chemicals involved in the transmission of impulses at synapses |
| B. Nerve impulse | ii. Gap between the pre synaptic and post synaptic neurons |
| C. Synaptic cleft | iii. Electrical potential difference across the resting neural membrane |
| D. Neurotransmitters | iv. An electrical wave like response of a neuron to a stimulation |
| A. The template with polarity 3'$\rightarrow$5' | Continous replication |
| B. The template with polarity 5'$\rightarrow$3' | Discontinous replication |
| C. DNA replication | Energy expensive process |
| D. Okazaki fragment | Discontinous synthesis |