A mutated E. coli cell carries out and completes DNA replication, but the lagging strands are found to contain more errors than normal. These errors are not found evenly distributed throughout the lagging strands, but are found in clusters. Which enzymatic activity is missing from this cell?

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#Question id: 562

#SCPH01 Biochemistry

Phenyl-methane-sulfonyl-fluoride (PMSF) inactivates serine proteases by binding covalently to the catalytic serine residue at the active site; this enzyme-inhibitor bond is not cleaved by the enzyme.  This is an example of what kind of inhibition?

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#Question id: 13026

#SCPH28 | Zoology

A blunt ended insert can not be ligated with a blunt ended vector by means of which of the followings:-

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#Question id: 2928

#SCPH05 I Biotechnology

Which of the following S. pombe mutants is(are) larger than normal?

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#Question id: 9236

#SCPH06 I Botany

Which of the following outcomes is caused by excessive nutrient runoff into aquatic ecosystems?

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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?