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Ribose and deoxyribose are

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Important Questions on Chemical Constituents of Living Cells

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Biology Crash Course NEET>Chapter 9 - Chemical Constituents of Living Cells>Level 3>Q 2

Which one out of A-D  given below correctly represents the structural formula of the basic amino acid?

A B C D

 

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Biology Crash Course NEET>Chapter 9 - Chemical Constituents of Living Cells>Level 3>Q 3
Purines have nitrogen atoms at ______ positions.
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Biology Crash Course NEET>Chapter 9 - Chemical Constituents of Living Cells>Level 3>Q 4
Read the given statements and select the correct option.
Statement 1: Haemoglobin is an example of quaternary structure of proteins.
Statement 2: Haemoglobin molecule is composed of four polypeptide chains - two α-chains and two β-chains.
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Biology Crash Course NEET>Chapter 9 - Chemical Constituents of Living Cells>Level 3>Q 6
The base sequence for a nucleic acid segment is given as GAG AGG GGA CCA. From this, it can be concluded that it is a segment of a
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Biology Crash Course NEET>Chapter 9 - Chemical Constituents of Living Cells>Level 3>Q 7

If A = 120 and C = 120, there are            nucleotides.

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Biology Crash Course NEET>Chapter 9 - Chemical Constituents of Living Cells>Level 3>Q 8
The substance which acts as a non-competitive inhibitor of enzymes
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Biology Crash Course NEET>Chapter 9 - Chemical Constituents of Living Cells>Level 3>Q 9

Match the following.

(1) Valine (A) Aromatic essential amino acid
(2) Tyrosine (B) Fatty acid with 20 carbon atoms
(3) Arachidonic acid (C) Neutral amino acid
(4) Lysines (D) Fatty acid with 16 carbon atoms
(5) Palmitic acid (E) Aromatic amino acid
    (F) Basic amino acid

 

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Biology Crash Course NEET>Chapter 9 - Chemical Constituents of Living Cells>Level 3>Q 11
An unknown liquid collected from a sample of peas is added to a beaker of water and is vigorously shaken. After a few minutes, water and the unknown liquid made two separate layers. To which class of biomolecules does the unknown liquid most likely belongs?