What is the complementary base sequence of the DNA strand if the template strand reads TTGCACG?
A
AACGTGC
B
TTGCACG
C
GGCACTG
D
CCGTGCA
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1
Understand that DNA is composed of two strands that form a double helix, where each base on one strand pairs with a complementary base on the other strand.
Recall the base pairing rules in DNA: Adenine (A) pairs with Thymine (T), and Cytosine (C) pairs with Guanine (G).
Identify the given template strand: TTGCACG.
Apply the base pairing rules to each base in the template strand: T pairs with A, G pairs with C, C pairs with G, A pairs with T, C pairs with G, and G pairs with C.
Write out the complementary base sequence by replacing each base in the template strand with its complementary base, resulting in the sequence: AACGTGC.