Translate the following sequence of messenger RNA nucleotides in a sequence of a

Question

Translate the following sequence of messenger RNA nucleotides in a sequence of amino acids forming part of a polypeptide chain:

C-U-G-U-U-U-U-G-C-A-G-U-G-G-U-U

Write the sequence of nucleotides for the portion of a DNA molecule that served as a pattern or template for the formation of the messenger RNA in the above.

A certain protein contains the following sequence of amino acids: isoleucine-serine-arginine-glutamic acid-serine-proline-valine-glutamic acid. Using the table found in your text, write the sequence of RNA triplet that would code for this sequence of amino acids. Then write the sequence of DNA triplets that would code for the formation of RNA.

Explanation / Answer

1. 5' C-U-G-U-U-U-U-G-C-A-G-U-G-G-U-U 3'

leucine - Phenylalanine - Cysteine- Serine- Glycine.

The sequence of DNA which served as template is

3' G-A-C-A-A-A-A-C-G-T-C-A-C-C-A-A 5'

2. Isoleucine - Serine - Arginine - Glutamic acid - Serine - Proline - Valine - Glutamic acid.

Seq of RNA 5' AUU UCU CGU CAA UCU CCU GUU CAA -3'

Seq of DNA 3' TAA AGA GCA GTT AGA GGA CAA GTT -5'

Apart from this several combinations can be written for the same sequence of amino acids, since more than one codon codes for a amino acid.

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