In gene transformation over high expression can be achieved by expressing the gene 

1. Inducible promoter

2. Constitutive  promoter

3. Terminator sequence

4. Increasing copy no. of gene

Which of the following are correct

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#Question id: 20166

#XL - P Chemistry

The total number of orbitals in a shell with principal quantum number ‘n’ is

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#Question id: 20167

#XL - P Chemistry

Which of the following expressions gives the de-Broglie relationship ?

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#Question id: 20168

#XL - P Chemistry

The uncertainty in the momentum of an electron is 1·0 × 10^–5 kg ms^–1. The uncertainty in its position will be (h = 6·62 x 10^–34 kg m2s^–1)

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#Question id: 20169

#XL - P Chemistry

If the radius of first Bohr orbit be a0, then the radius of third Bohr orbit would be

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#Question id: 20170

#XL - P Chemistry

The first emission line in the atomic spectrum of hydrogen in the Balmer series appears at

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#Question id: 20171

#XL - P Chemistry

The ratio of specific charge of a proton and an Alpha particle is