Which of the following is a complementary base pair for DNA? Adenine and thymine
Guanine and adenine
Guanine and uracil
Cytosine and thymine

adenine and thymine

Explanation:

The four nitrogenous bases of DNA are thymine, adenine, guanine, and cytosine. Guanine and cytosine are bound together by three hydrogen bonds; whereas, adenine and thymine are bound together by two hydrogen bonds. This is known as complementary base pairing.

a. possible errors

d. new questions

explanation:

predictions and planning happen before. a summery comes after. errors you get after investigation and new questions propose what you can look for in the future.

answer; i believe that the correct answer is (light);