Question

Is there always going to be equal number of guanine and cytosine nucleotides in molecule why

Answer 1

Explanation:

yes, because in the absence of equal number of guanine and cytosine two strands of the DNA molecule cannot pair with each other or there can't be the formation of double stranded DNA .And as guanine being complementary to cytosine necessarily pair with it so equal number of G and C must be present in the DNA molecule

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Answer 2

There will always be an equal number of guanine and cytosine nucleotides in DNA molecules.

• DNA is made of chemical building blocks called nucleotides which are Adenine (A), Thymine (T), Guanine (G), and Cytosine (C).
• To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.
• In DNA pairing the nucleotides Adenine pair with Thymine whereas Guanine pairs with Cytosine.
• It is always an equal number of Guanina and cytosine because the number of Guanine present should always be equal to the number of Cytosine present otherwise DNA molecules cannot pair with each other or they can't form the double strand of DNA.
• Guanine is complementary to Cytosine and they always pair with it.

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