Which of the following is not a nucleoside?

1. Uridine

2. Cytidylic acid CMP

3. Thymidine

4. Guanosine

Subtopic:  Nucleic Acid: Nucleotides |
 88%
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Identify the given compound:

       

1. An amino acid

2. A purine base

3. Polysaccharide containing nitrogen

4. Prostaglandin

Subtopic:  Nucleic Acid: Nucleotides |
 89%
From NCERT
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The following diagram depicts the structure of a:


1. Nucleoside
2. Nucleotide
3. Nitrogen containing Monosaccharide
4. Glycoprotein

Subtopic:  Nucleic Acid: Nucleotides |
 84%
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Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by -

1. Base-sugar-OH

2. Base-sugar-phosphate

3. Sugar-phosphate

4. (Base-sugar-phosphate)n

Subtopic:  Nucleic Acid: Nucleotides |
 73%
From NCERT
AIPMT - 2005
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In nucleic acid the bond between the phosphate and hydroxyl group of sugar is
1. Hydrogen bond
2. Glycosidic bond
3. Ester bond
4. Peptide bond

Subtopic:  Nucleic Acid: Nucleotides |
 76%
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Which of the following represents uridylic acid?

1. Uracil + Ribose

2. Uridine + Phosphoric acid

3. Uracil + Phosphoric acid

4. Uridine + Ribose + Phosphoric acid

Subtopic:  Nucleic Acid: Nucleotides |
 59%
From NCERT
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C’ represents carbon of

1.sugar of nucleotides

2.Nitrogenous bases of nucleotides

3.Both 1 and 2

4.None of the above

Subtopic:  Nucleic Acid: Nucleotides |
From NCERT
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Nucleotide is made up of

1. Heterocyclic compound, Monosaccharide,
Phosphoric acid.
2. Nitrogenous base, hexose sugar, phosphate.
3. Hetrocylic compound and pentose sugar only.
4. Hetrocyclic compound and nucleoside.

Subtopic:  Nucleic Acid: Nucleotides |
 51%
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Study the given statements -

i. A dehydration reaction (or condensation reaction) is the process in which water molecules are produced as a polymer is formed from monomers.

ii. The four main categories of macromolecules present in living systems are proteins, nucleic acids, carbohydrates, and lipids.

iii. Glucose is the main monosaccharide used by human cells for energy.

iv. The building blocks or monomers of nucleic acid molecules are called nucleosides.
How many statements are correct-?

1. i

2. ii

3. iii

4. iv

Subtopic:  Nucleic Acid: Nucleotides | Carbohydrates: Glycosidic Bond & Disaccharide |
 54%
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Given below is the diagrammatic representation of one of the categories of small

molecular weight organic compounds in the living tissues. Identify the category shown

and the one blank component X in it

Category              Component

1. Cholesterol       Guanin

2. Amino acid       NH2

3. Nucleotide        Adenine

4. Nucleoside       Uracil

Subtopic:  Nucleic Acid: Nucleotides | Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 67%
From NCERT
NEET - 2012
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