NEET 2007 Biology question

Molecular basis of organ differentiation depends on the modulation in transcription by:

(1)Anticodon
(2)RNA polymerase
(3)Ribosome
(4)Transcription factorCorrect

Answer: (4)

Solution

All cells of an organism carry the same genes; organs and tissues differ because different sets of genes are switched on in different cells. This differential gene expression is controlled at the level of transcription by transcription factors, regulatory proteins that bind

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Question ID VK-089811