A DNA strand has the sequence ATCGGC. Which is the complementary strand of DNA? UAGCCG GCTAAT TAGCCG UGTCCT

2 answers:

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<span>DNA strands adhere to complementary strands through hydrogen bonds, where A pairs with T, and G pairs with C, establishing that the answer is TAGCCG.</span>

s2008m [2.3K]3 months ago

7 0

Answer: The complementary strand is TAGCCG.

DNA, or deoxyribonucleic acid, comprises two complementary strands forming a double helical structure. These strands are antiparallel, meaning that one strand runs 5' to 3', while its complement runs 3' to 5'.

The monomers of DNA are dNTPs (deoxyribonucleoside triphosphates), consisting of a phosphate group, deoxyribose sugar, and a nitrogenous base. The nitrogenous bases include Adenine, Guanine, Cytosine, and Thymine. In complementary strands, bases pair with each other via hydrogen bonds corresponding to their positions.

Adenine connects with Thymine using two hydrogen bonds (A=T)
Guanine connects with Cytosine using three hydrogen bonds (G≡C)

Therefore, the complementary sequence to ATCGGC is TAGCCG.

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