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What are nucleotides?

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What are nucleotides?

A nucleotide is the basic building block of nucleic acids. RNA and DNA are polymers made of long chains of nucleotides. A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base.

What are nucleotides and example?

A nucleotide is an organic compound made up of three subunits: a nitrogenous base, a five-carbon sugar, and a phosphate group. The sugar component may either be ribose or deoxyribose. Ribose is the sugar component of the nucleotides that make up RNA. The deoxyribose sugar is the sugar component of DNA.

What are nucleotides 12th?

Nucleotides are monomeric units of the nucleic acids i.e.; they bond to each other by phosphodiester bonds and form the long strands of nucleic acids such as ribonucleic acid and deoxyribonucleic acid..

What are ICSE 10 nucleotides?

A nucleotide is an organic molecule with a basic composition of a nitrogenous base, pentose sugar and phosphate. DNA and RNA are polynucleotides, which contain a chain of nucleotides monomers with different nitrogenous bases. Nucleotides are essential for carrying out metabolic and physiological activities.

What is nucleotide and what three units make it up?

A nucleotide is the basic structural unit and building block for DNA . These building blocks are hooked together to form a chain of DNA. A nucleotide is composed of 3 parts: The sugar and phosphate group make up the backbone of the DNA double helix, while the bases are located in the middle.

What do all the nucleotides have in common?

A five carbon sugar

  • A phosphate molecule
  • A nitrogen-containing base.

    • What are nucleotides in DNA three basic components?

    A nitrogenous base,which can be either adenine,guanine,cytosine,or thymine (in the case of RNA,thymine is replaced by uracil).

  • A five-carbon sugar,called deoxyribose because it is lacking an oxygen group on one of its carbons.
  • One or more phosphate groups.

    • Which nucleotides are used to build RNA?

    RNA consists of ribose nucleotides (nitrogenous bases appended to a ribose sugar) attached by phosphodiester bonds, forming strands of varying lengths. The nitrogenous bases in RNA are adenine , guanine , cytosine , and uracil, which replaces thymine in DNA.