Final answer:
The complementary strand to the DNA sequence CCGTAATGCAT, following base pairing rules, is GGCATTACGTA.
Step-by-step explanation:
When we have one DNA strand with the sequence CCGTAATGCAT, we can determine the sequence of the complementary strand by following the rules of base pairing. In DNA, adenine (A) pairs with thymine (T) and cytosine (C) pairs with guanine (G).
To create the complementary strand, we simply need to apply these rules to the given sequence:
- C pairs with G
- G pairs with C
- T pairs with A
- A pairs with T
- A pairs with T
- T pairs with A
- G pairs with C
- C pairs with G
- A pairs with T
- T pairs with A
Therefore, the sequence of the complementary strand for the DNA strand CCGTAATGCAT is GGCATTACGTA, written in the 5' to 3' direction.