Which of the following is incorrect.

1.Nucleotides- Nucleosides = phosphate

2.Nucleosides + Phosphate = Nucleotides

3.Nucleosides – Nucleotides = Phosphate

4.Both 1 and 2

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 66%
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Which of the following is a nucleoside?

1.Adenylic acid

2.Adenosine

3.Adenoside

4.Both 1 and 3

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 82%
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Which of the following is a nucleotide?

1. Adenylic acid

2. Adenosine

3. Adenoside

4. Both 1 and 3

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 84%
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Nucleic acids consist of        

1. Nucleotide only

2. Nucleoside only

3. Sugar + Phosphate only

4. Nitrogenous bases only

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 83%
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Nitrogenous bases are

1.Heterocyclic rings

2.Homocyclic rings

3.Organic compounds

4.Both 1 and 3

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
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Nitrogenous bases which contain 2 heterocyclic rings are

1.Adenine

2.Thymine

3.Guanine

4.Both 1 and 3

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 85%
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Uridine is

1.Nucleotide

2.Nucleoside

3.Nitrogenous base

4.Amino acid

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 81%
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Cytidylic acid is

1.Nucleotide

2.Nucleoside

3.Nitrogenous base

4.Amino acid

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 90%
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Which one is correct

1.Adenine = Pyrimidine, Uracil= Purine

2.Adenine= Purine, Uracil= Purine

3.Adenine= Adenylic acid, Uracil=Uridylic acid

4.Adenine= Purine, Uracil= Pyrimidine

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 83%
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Which of the following is true?

1. All the elements present in a sample of earth’s crust are also present in a sample of living tissue

2. Carbon and Hydrogen are  present in more amount in any living organism than earth’s crust.

3. Carbon and Hydrogen are present in more in living organisms than in non living matter.

4. All of the above

Subtopic:  Introduction |
 86%
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