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Nucleotides are made up of a phosphate group, a nitrogen base and a pentose sugar. These structural units serve as the fundamental building blocks of nucleic acids, such as deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).


The enzyme that separates the two strands of nucleotides in DNA is helicase. Enzymes are protein molecules that speed up chemical reactions.


Nucleotides are made up of a phosphate group, a five-ring sugar and a nitrogenous base. Nucleic acids, such as deoxyribonucleic acid (DNA) and ribonucleic (RNA), contain repeating nucleotides. Nucleotides link together to form nucleic acids by connecting the phosphate g...


A nucleotide is composed of a nitrogenous base, a sugar and a phosphate group. Nucleotides are the basic components of genetic materials, such as DNA and RNA.


Enzymes speed up the rates of reactions within the body. An enzyme acts by binding to a substrate, the substance that will be acted on by the enzyme. When the substrate binds to the enzyme, the reaction takes place.


An excise tax can be applied whenever someone buys a particular type of good and is usually included with the good's price. Certain activities, such as using a truck on the highway or buying motor fuel, can also incur an excise tax.


DNA is made of deoxyribonucleotides. The nucleotides found in DNA are adenine, thymidine, cytosine and guanine. They follow the complementary base pair rule to form a double helix structure.