To determine the complementary strand of DNA for the given sequence "ACT TAT GGA", we need to remember that in DNA, adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G).
Given the sequence:
- A pairs with T
- C pairs with G
- T pairs with A
- T pairs with A
- A pairs with T
- T pairs with A
- G pairs with C
- G pairs with C
- A pairs with T
So, when pairing the bases in the given sequence "ACT TAT GGA", the complementary bases will be as follows:
- A (A) -> T (T)
- C (C) -> G (G)
- T (T) -> A (A)
- T (T) -> A (A)
- A (A) -> T (T)
- T (T) -> A (A)
- G (G) -> C (C)
- G (G) -> C (C)
- A (A) -> T (T)
Putting them together, the complementary strand will read: TGA ATA CCT
Therefore, the correct answer is: D. TGA ATA CCT