The three structural formulas $A, B$ and $C$ are given here. Identify them and select the correct option.

$A$	$B$	$C$
Adenine ( $N$ -base)	Adenosine (Nucleotide)	Adenylic acid (Nucleoside)

$A$	$B$	$C$
Adenine ( $N$ -base)	Adenosine (Nucleoside)	Adenylic acid (Nucleotide)

$A$	$B$	$C$
Adenosine (Nucleoside)	Adenylic acid (Nucleotide)	Adenine ( $N$ -base)

$A$	$B$	$C$
Adenosine (Nucleoside)	Adenylic acid (Nucleotide)	Deoxyadenylic

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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 2>Q 32

Thymine differs from Uracil in having

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Biology Crash Course NEET>Chapter 9 - Chemical Constituents of Living Cells>Level 2>Q 33

Which bonds are indicated by X and Y in the given diagram?
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Biology Crash Course NEET>Chapter 9 - Chemical Constituents of Living Cells>Level 2>Q 34

In an enzyme, active sites/pockets/crevices are present in

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Biology Crash Course NEET>Chapter 9 - Chemical Constituents of Living Cells>Level 2>Q 35

Reducing sugar among the following is:

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Biology Crash Course NEET>Chapter 9 - Chemical Constituents of Living Cells>Level 2>Q 36

Proteins act as
$1 .$ Catalysts
$2 .$ Building blocks of $DNA$
$3 .$ Structural components of cell membrane
$4 .$ Main source of energy in cellular respiration

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Biology Crash Course NEET>Chapter 9 - Chemical Constituents of Living Cells>Level 2>Q 37

Match the following and choose the correct combination from the options given:

Column I (Organic compounds)	Column II (Examples)
A Fatty acid	1 Glutamic acid
B Phospholipid	2 Tryptophan
C Aromatic amino acid	3 Lecithin
D Acidic amino acid	4 Palmitic acid