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#Question id: 4569


Which of the following must exist in a population before natural selection can act upon that population?

#SCPH28 | Zoology
  1. Genetic variation among individuals

  2. Variation among individuals caused by environmental factors

  3. Sexual reproduction

  4. B and C only


Answer:- Option(s): 1


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#Question id: 16028

#SCPH05 I Biotechnology

Specific oxygen consumption rates for mammalian cells are in the range of (where n and p represents to nano and pico respectively)

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#Question id: 19368

#SCPH06 I Botany

Second phase genetic engineering is done for production of
1. Insulin
2. Abiotic or biotic stress crop
3. Resistant/tolerant plants
Which of the above are correct?

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#Question id: 3674

#SCPH28 | Zoology

Which property is shared by E. coli DNA polymerase I and DNA polymerase III?

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#Question id: 2130

#SCPH06 I Botany

Peripheral membrane proteins:

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#Question id: 3656

#SCPH05 I Biotechnology

In nucleotide excision repair, an endonuclease makes nicks on either side of the lesion.

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