Q. Transcription by E. coli polymerase occurs in

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Q. Which of the following is necessary for transcription to occur?

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Q. Multiple copies of 5S genes, located at a chromosomal site distinct from the other rRNA genes

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Q. Each tRNA molecule has a cloverleaf secondary structure consisting of

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Q. What is a promoter?

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Q. The function of the sigma factor of RNA polymerase is to

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Q. In both eukaryotes and prokaryotes, a promoter region that is rich in AT bases is called as

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Q. The RNA polymerases that transcribe bacterial DNA are

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Q. Immediately after transcription

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Q. Sex lethal (sxl) in Drosophila is transcribed when

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Q. A mutation in the tip binding site of the repressor would result in

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Q. The first protein complex to bind to the TATA box is

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Q. Which of the following is not part of the lac operon?

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Q. The lac operon is transcribed in which segments?

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Q. Which of the following occur in the presence of glucose?

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Q. Sex hormones activate transcription of specific genes by

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Q. The lac operon is translated into __________ proteins.

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Q. In the presence of tryptophan in the cell, the repressor is __________

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Q. Catabolite activating protein exerts __________ control on transcription of the lac operon genes.

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Q. What are genes?

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