An aqueous solution contains two compounds X and Y. This solution gave absorbance values of 1.0 and 0.4 at 220 and 280 nm, respectively, in a 1 cm path length cell. Molar absorption coefficients (ε) of the compounds X and Y are as shown in the table below.

The concentration of Y in the solution is___________ mM.

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#Question id: 3915

#SCPH28 | Zoology

Which of the following is true for the unwinding of the DNA helix and the synthesis of a short stretch of RNA?

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#Question id: 3916

#SCPH28 | Zoology

Transcription termination

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#Question id: 3917

#SCPH28 | Zoology

For an RNA hairpin loop to form, the transcribed region of the DNA sequence must __.

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#Question id: 3918

#SCPH28 | Zoology

Which of the following is true, concerning rho?

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#Question id: 3919

#SCPH28 | Zoology

Most of the RNA polymerase activity in eukaryotic cells occurs in the

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#Question id: 3920

#SCPH28 | Zoology

The genes that encode proteins are transcribed by RNA polymerase __.