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: 19368

#SCPH28 | Zoology

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: 10255

#SCPH05 I Biotechnology

In sucrose synthase combines sucrose with UDP to produce fructose and UDP-glucose in the cytosol. What is the function of UDP-glucose pyrophosphorylase?

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#Question id: 3924

#SCPH28 | Zoology

Characteristics of ligands involved in transcription include:

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#Question id: 17085

#SCPH28 | Zoology

Spontaneous cell fusion occurs at a very low rate. Enhanced fusion can be done by 

1. Sendai virus 

2. Polyethylene glycol

3. Ficol

4. Phenol red

Which of the above mentioned can be used for fusion experiments?

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#Question id: 818

#SCPH01 Biochemistry

Which one of the following weak interactions have central features of protein structures, but makes only minor contributions to protein stability?