1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
The essential chemical components of many coenzymes are
A
carbohydrates
B
vitamins
C
proteins
D
nucleic acids.
2
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following biomolecules is correctly characterized?
A
Lecithin - a phosphorylated glyceride found in cell membrane.
B
Palmitic acid - an unsaturated fatty acid with 18 carbon atoms.
C
Adenylic acid - adenosine with a glucose phosphate molecule.
D
Alanine amino acid - contains an amino group and an acidic group anywhere in the molecule.
3
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following is wrong statement?
A
Anabaena and Nostoc are capable of fixing nitrogen in free-living state also
B
Root module forming nitrogen fixers live as aerobes under free-living conditions.
C
Phosphorus is a constituent of cell membrances, certain nucleic acids and all proteins.
D
Nitrosomonas and Nitrobacter are chemo-autotrophs.
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
The given diagrammatic representation shows one of the caregories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one blank component ''X'' in it.
AIPMT 2012 Prelims Biology - Biomolecules Question 70 English
A
Category Component
Cholesterol Guanine
B
Category Component
Amino acid NH2
C
Category Component
Nucleotide Adenine
D
Category Component
Nucleoside Uracil
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