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: 8933

#XL - S Microbiology

At which developmental stage should one be able to first distinguish a diploblastic embryo from a triploblastic embryo?

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#Question id: 346

#XL - S Microbiology

The partial negative charge in a molecule of water occurs because ________.

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#Question id: 3916

#XL - Q Biochemistry

Transcription termination

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#Question id: 4742

#XL - R Botany

In birds, sex is determined by a ZW chromosome scheme. Males are ZZ and females are ZW. A recessive lethal allele that causes death of the embryo is sometimes present on the Z chromosome in pigeons. What would be the sex ratio in the offspring of a cross between a male that is heterozygous for the lethal allele and a normal female?

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#Question id: 9276

#XL - Q Biochemistry

The carotenoid b-carotene, whose structure and absorption spectrum at,