1. Regulation of expression of genes is important because: A. some genes functio
ID: 65801 • Letter: 1
Question
1. Regulation of expression of genes is important because: A. some genes function in opposition to other genes. B. it is energetically wasteful to produce all possible gene products. C. multicellular bacteria need to specialize cell types. D. A and B. E. All of the above. 2. Regulatory elements are: A. genes that control the expression of other genes. B. minerals that bind enzymes as cofactors, regulating their function. C. sequences that help control transcription. D. structural genes that are regulated. E. None of the above. 3. An operon is: A. a set of genes transcribed as a single unit. B. a non-coding sequence that interrupts the open reading frame of proteins. C. the coding sequence in the open reading frame of eukaryotic proteins. D. a DNA-binding protein E. None of the above. 1. Regulation of expression of genes is important because: A. some genes function in opposition to other genes. B. it is energetically wasteful to produce all possible gene products. C. multicellular bacteria need to specialize cell types. D. A and B. E. All of the above.Explanation / Answer
1) D. A and B.
2) B. minerals that bind enzymes as cofactors, regulating their function.
3)B. a non-coding sequence that interrupts the open reading frame of proteins.
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