What are the DNA-DNA complimentary base pairing rules?

Answer 1

Adenine pairs with thymine and guanine pairs with cytosine.

Adenine and guanine must pair with a pyrimidine to maintain the correct width of the molecule. Hydrogen bonding holds the two strands of polynucleotides together; adenine forms two hydrogen bonds with thymine, while cytosine forms three hydrogen bonds with guanine. As a result, adenine cannot bond with cytosine, and guanine cannot bond with thymine. The DNA molecule is a double helix made up of two strands of polynucleotides.

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Answer 2

Julian Aguilar

The DNA-DNA complementary base pairing rules are:

Adenine (A) pairs with Thymine (T).
Thymine (T) pairs with Adenine (A).
Guanine (G) pairs with Cytosine (C).
Cytosine (C) pairs with Guanine (G).

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.