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Hi, can I get your help with question number 43? Thank you

Hi Can I Get Your Help With Question Number 43 Thank You class=
Hi Can I Get Your Help With Question Number 43 Thank You class=

Sagot :

DNA is a double stranded molecule made of nucleotides, while RNA is a single stranded molecule, also made of nucleotides.

Nucleotides are made of a nitrogen base, a phosphate and a sugar molecule (desoxyribose in DNA and ribose in RNA).

There are 5 nitrogen bases:

Adenin

Thymine

Guanine

Cytosine

Uracil

The DNA strands have the nitrogen bases Adenin, Thymine, Guanine and Cytosine, these bases pair together as follows:

Adenine = Thymine

Cytosine = Guanine

RNA also has 4 nitrogen bases, in this case, the base Thymine is replaced by the base Uracil, so the 4 nitrogen bases that form the strand are Adenine, Uracil, Guanine, and Cytosine. These bases form pairs as follows:

Adenine = Uracil

Cytosine = Guanine

For question 43, the correct answer is d. Thymine paris with adenine in DNA.

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