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1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Transition state structure of the substrate formed during an enzymatic reaction is
A
transient and unstable
B
permanent and stable
C
transient but stable
D
permanent but unstable.
2
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.
3
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.
4
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.
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Cell - The Unit of Life Biomolecules Cell Cycle and Cell Division Sexual Reproduction in Flowering Plants Microbes in Human Welfare Anatomy of Flowering Plants Transport in Plants Mineral Nutrition Respiration in Plants Biotechnology: Principles and Processes Biodiversity and Conservation The Living World Biological Classification Morphology of Flowering Plants Photosynthesis in Higher Plants Principles of Inheritance and Variation Molecular Basis of Inheritance Strategies for Enhancement in Food Production Biotechnology and It's Applications Organisms and Populations Environmental Issues Plant Kingdom Plant Growth and Development Ecosystem
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