
A Nucleoside is made up of
A. Sugar only
B. Phosphate only
C. Sugar and phosphate
D. Sugar and base
Answer
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Hint: Nucleic acids are the building blocks of nucleotides. A nucleotide consists of a Nitrogen-containing base bonded with 5 carbon sugars which is disconnected by a phosphate group. These are glycosylamines without a phosphate group, in which the glycosyl group is attached to an amino group.
Complete answer:
Nucleosides are the building blocks for nucleotides and nucleotides are the building blocks of nucleic acids. Nucleosides and nucleotides are similar kinds of molecules.
The nucleotide is the fundamental part of nucleic acids. They are formed of nucleosides and phosphate groups. A nucleoside is formed from the pentose sugar and nitrogen base. Pentose sugars are deoxyribose and ribose. The sugars which are seen in the nucleotide are ribose or deoxyribose. The nitrogenous bases are pyrimidines and purines. The nucleotide is made by the union of a phosphate combination with a nucleoside. A nucleoside comprises a sugar particle along with an essential nitrogenous base.
The DNA molecule is a long chain of nucleotides. A nucleoside is made up of a nucleobase of nitrogenous bases and has a 5C sugar that is ribose or 2’-deoxyribose attached to it. Nucleosides are the building blocks of nucleotides and nucleotides are the building blocks of nucleic acids. Nucleosides and nucleotides are similar kinds of molecules.
Therefore, the correct option is D. that is sugar and base.
Note:
Nucleosides are essential biological particles that work as signalling particles and as precursors to nucleotides required for DNA and RNA synthesis. Synthetic nucleoside analogues are utilized clinically to manage a range of tumours and viral diseases. The phosphate esters of nucleosides are called nucleotides.
Complete answer:
Nucleosides are the building blocks for nucleotides and nucleotides are the building blocks of nucleic acids. Nucleosides and nucleotides are similar kinds of molecules.
The nucleotide is the fundamental part of nucleic acids. They are formed of nucleosides and phosphate groups. A nucleoside is formed from the pentose sugar and nitrogen base. Pentose sugars are deoxyribose and ribose. The sugars which are seen in the nucleotide are ribose or deoxyribose. The nitrogenous bases are pyrimidines and purines. The nucleotide is made by the union of a phosphate combination with a nucleoside. A nucleoside comprises a sugar particle along with an essential nitrogenous base.
The DNA molecule is a long chain of nucleotides. A nucleoside is made up of a nucleobase of nitrogenous bases and has a 5C sugar that is ribose or 2’-deoxyribose attached to it. Nucleosides are the building blocks of nucleotides and nucleotides are the building blocks of nucleic acids. Nucleosides and nucleotides are similar kinds of molecules.

Therefore, the correct option is D. that is sugar and base.
Note:
Nucleosides are essential biological particles that work as signalling particles and as precursors to nucleotides required for DNA and RNA synthesis. Synthetic nucleoside analogues are utilized clinically to manage a range of tumours and viral diseases. The phosphate esters of nucleosides are called nucleotides.
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