A species of fish is found to require a certain water temperature, a particular oxygen content of the water, a particular depth, a rocky substrate on the bottom, and a variety of nutrients in the form of microscopic plants and animals to thrive. These requirements describe its 

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#Question id: 15482

#SCPH05 I Biotechnology

Over expression of primary metabolites are often achieved by

1. Frequency of RNA polymerase binding to the promoter region

2. Copy number increase of structural genes for these enzymes by genetic engineering

3. Chemically derived protein

Which combination below represent correct option?

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#Question id: 5846

#SCPH06 I Botany

The bacteriophage can lysogenize after infecting a bacterium, i.e. integrate into the host bacterial chromosome by site-specific recombination, and may reside there for many generations before an excision event regenerates the viral genome in an infective form.  Which one of the following is not a component of these events?

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#Question id: 4307

#SCPH28 | Zoology

When taken up by a cell, which of the following molecules binds to a repressor so that the repressor no longer binds to the operator?

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#Question id: 19541

#SCPH05 I Biotechnology

Which has the maximum electropositive character?

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#Question id: 10509

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

A different type of mechanical obstacle to herbivory is provided by mineral crystals that are present in many plant species, such as silica crystals known as