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A portion of a DNA template strand has the base sequence 5\'-CGAACGTGCGTGATGTATG

ID: 54668 • Letter: A

Question

A portion of a DNA template strand has the base sequence
5'-CGAACGTGCGTGATGTATGCTAGA-3'

A)

Identify the sequence of the mRNA transcribed from this fragmentary template strand sequence.

Express your answer as a sequence of nucleotides separated by dashes. Example: A-U-C-...-T.

B)

Determine the amino acid sequence encoded by this fragment.

Express your answer as a sequence of three-letter amino acid abbreviations separated by dashes. Example: Glu-Gln-Val-...-Phe

C)

Which is the third amino acid added to the polypeptide chain?

Spell out the full name of the amino acid

Explanation / Answer

-Ser-Ser-Ile-His-His-Ala-Arg-Ser-

Isoleucine

5'-CGAACGTGCGTGATGTATGCTAGA-3'
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