2 A) Which of the following is NOT true regarding nucleic acid biology? The extr

Question

2 A) Which of the following is NOT true regarding nucleic acid biology?

The extra hydroxyl group on ribose can act as a nucleophile that attacks phosphodiester bonds and therefore hydrolyzes RNA polymers.

The geometry of the DNA double helix includes a major and minor groove, which aid in the specificity of protein binding.

RNA exists solely as a single-stranded polymer, while DNA is a double-stranded helix.

The melting temperature of a DNA strand is a function of the number of hydrogen bonds between bases.

2 B) There are four basic molecular processes in a cell, three of which lead to the production of protein. Which of the following shows the CORRECT order?

translation, RNA processing, transcription

transcription, RNA processing, translation

RNA processing, translation, transcription

transcription, translation, RNA processing

Explanation / Answer

(1)

RNA exists solely as a single-stranded polymer, while DNA is a double-stranded helix.

Explanation: RNA can also exist in double stranded form as genome of certain viruses

(2)

transcription, RNA processing, translation

Explanation: Trancription forms mRNA, which is processed (splicing) and undergoes translation to form proteins

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