. Which of the following statements is false? a) If two genes are to be expressed in a cell, these two genes can be transcribed with different efficiencies. b) RNA polymerase is responsible for both unwinding the DNA helix and for catalyzing the formation of the phosphodiester bonds between nucleotides. c) RNA has a uracil base and a ribose sugar. d) Some types of RNA have modified bases such as pseudouracil (Y), 5-methylcytosine, etc

Question

02-12-2019
Biology

contestada

. Which of the following statements is false? a) If two genes are to be expressed in a cell, these two genes can be transcribed with different efficiencies. b) RNA polymerase is responsible for both unwinding the DNA helix and for catalyzing the formation of the phosphodiester bonds between nucleotides. c) RNA has a uracil base and a ribose sugar. d) Some types of RNA have modified bases such as pseudouracil (Y), 5-methylcytosine, etc

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pandeyarindam296 pandeyarindam296 · Answer 1 · 2019-12-09T02:21:24+01:00

Answer:

The correct answer is b RNA polymerase is responsible for unwinding the DNA double helix and for catalyzing the formation of phosphodiester bond between nucleotides.

Explanation:

DNA double helix is unwound by the catalytic activity of helicase or dna B by using the energy derived from the hydrolysis of ATP.

RNA polymerase helps in the polymerization of nucleotides b the formation of phosphodiester linkage present in RNA.