Stem cell research has and can lead to medical cures.
is a Disaccharide molecule it is to monosccarides connected by a phosphodister bond. one example would be Maltose
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The Nitrogenous bases which are bonded together by Hydrogen bonds are known as "Complimentary base pairs"
Example. - Adenine with Thymine.
Also, Cytosine with Guanine
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can i have more info i will edit my answer to help you