The Nitrogenous bases of DNA and RNA

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deoxyribose

Each sugar-phosphate molecule consists of a sugar called __, hence the name DEOXYRIBOnucleic acid, and a phosphate group. (This one's a little harder.)

Ribose

Each sugar-phosphate molecule consists of a sugar call_____, hense the name RIBOnucleic acid.

Uracil

A nitrogenenous bases found in RNA only. Similar to Thymine in structure and only pairs with Adenine in RNA.

adenine

One of the four (4) nitrogeneous bases that make up DNA. It is a 2-Ring Purine with 2 hydrogen bonds. Pairs with Thymine in DNA and Uracil in RNA..

thymine

One of the four (4) nitrogenous base that make up DNA. A single ring Pyrimidine that pairs with Adenine in DNA.

cytosine

One of the four (4) nitrogenous bases that make up DNA. A 2-Ring Purine with 2 hydrogen bonds. Pairs with Guanine in DNA and RNA.

guanine

One of the four (4) nitrogenous bases that make up DNA. It is a single ring Pyrimidine and pairs with Cytosine in DNA and RNA.

sugar-phosphate molecules: the sugar-phospate backbone

The outside of the so-called DNA "ladder" is made of __ - __ __. This is known as what?

nitrogen bases

The rungs of the ladder are made up of other molecules called __ __.


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