If the culture is kept in stationary phase for a prolonged period, the cells may die. Why?

a) due to the time taken for doubling of cell number

b) duration of a cell generation is too large, depending mainly on the plant species.

c) stationary phase is forced on the culture by a depletion of the nutrients

d) due to an accumulation of cellular wastes

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#Question id: 5708

#SCPH28 | Zoology

If non-disjunction occurs in meiosis I, which of the following scenario is most likely to occur?

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#Question id: 758

#SCPH28 | Zoology

Both miRNAs and one strand of siRNAs are bound by proteins to form a ribonucleoprotein complex called:

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#Question id: 4134

#SCPH06 I Botany

The enzyme that attaches an amino acid to a tRNA (aminoacyl-tRNA synthetase):

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#Question id: 10520

#I Life Science/ Life Sciences Group – I-V

Which one of the following fungus causes infected rice shoots to grow much faster relative to uninfected plants and responsible for the “foolish seedling disease” of rice?

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#Question id: 5342

#SCPH06 I Botany

Women having normal color vision, normal pigmentation and A blood group whose father is color blindness, albinism and O blood group will marry with men having colorblind, albinism and O blood group. What is probability of their first child will colorblindness son, normal pigmentation and O blood group?