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1 vote
This is the normal nucleotide sequence on a DNA strand:

A - C - T - G - G - A - T.

What is an insertion?

A. A - C - T - G - C - G - A - T
B. A - C - T - G - A - T
C. A - G - T - G - G - A - T
D. A - C - T - G - G - A - U

User Sgmonda
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2 Answers

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soo A nucleic acid sequence is a succession of letters that indicate the order of nucleotides within a DNA (using GACT) or RNA (GACU) molecule. By convention, sequences are usually presented from the 5' end to the 3' end. For DNA, the sense strand is used. Because nucleic acids are normally linear (unbranched) polymers, specifying the sequence is equivalent to defining the covalent structure of the entire molecule. For this reason, the nucleic acid sequence is also termed the primary structure.

The sequence has capacity to represent information. Biological deoxyribonucleic acid represents the information which directs the functions of a living thing.

Nucleic acids also have a secondary structure and tertiary structure. Primary structure is sometimes mistakenly referred to as primary sequence. Conversely, there is no parallel concept of secondary or tertiary sequence

User Paras Gandhi
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6 votes
A, it adds the letter C in between the two Gs
User Jstruzik
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