Q28-6P - Organic Chemistry (Mcmurry)

Question

From what DNA base sequence was the following RNA sequence transcribed?

(5’) UUCGCAGAGU (3’)

Step-by-Step Solution

Answer

The DNA base sequence from which this RNA sequence is transcribed can be written as $(3\text{'}) \mathrm{AAGCGTCTCA} (5\text{'})$.

Given Information

The DNA base sequence can be given as (5’) UUCGCAGAGU (3’).

Sense and antisense strand

The antisense strand can be given as,

$(3\text{'}) \mathrm{AAGCGTCTCA} (5\text{'})$

The sense and original DNA strand can be given as,

$(5\text{'}) \mathrm{TTCGCAGAGT} (3\text{'})$

The DNA base sequence from the given RNA transcribed can be denoted as,

$(3\text{'}) \mathrm{AAGCGTCTCA} (5\text{'})$

The base sequence of RNA has U can be replaced with T of the DNA base strand.