Red and far-red lights are perceived by plants through various photoreceptors including phytochromes. The red/far-red reversibility of seed germination was due to the-

a) photoreversibility of phytochrome

b) presence of red and far-red light at different fluence rate

c) Conversion of Pr to Pfr form through the effect of red light

d) equal proportion of red and far red light at same fluence rate

Which of the following combinations is correct?

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#Question id: 780

#SCPH06 I Botany

Drosha and Pasha:

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#Question id: 3700

#SCPH28 | Zoology

In the Meselson-Stahl DNA replication experiment, if the cells were first grown for many generations in 15N containing media, and then switched to 14N containing media, what percent of the DNA had 1 light strand and 1 heavy strand after 2 generations of growth in 15N growth media?

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#Question id: 4129

#SCPH05 I Biotechnology

Which of the following statements about the tRNA that normally accepts phenylalanine is false?  (mRNA codons for phenylalanine are UUU and UUC.)

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#Question id: 2649

#SCPH05 I Biotechnology

Which operon behaves similar to Bacillus subtilis trp operon in terms of attenuation?

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#Question id: 11133

#SCPH28 | Zoology

Which of the following statements accurately describes a feature of temperature sensation by the nervous system?