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Which one of the following is wrong statement?

Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins
Nitrosomonas and Nitrobacter are chemoautotrophs
Anabaena and Nostoc are capable of fixing nitrogen in free-living state also
Root nodule forming nitrogen fixers live as aerobes under free-living conditions
Additional Questions

The given graph shows the effect of substrate concentration on the rate of reaction of the enzyme green gram-phosphatase. What does the graph indicate?

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Enzymes that catalyse inter-conversion of optical, geometrical or positional isomers are

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The polypeptide or protein part of the enzyme is called

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Turn over number of an enzyme is dependent upon

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Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one blank component "X" in it

CategoryComponent
(1) NucleotideAdenine
(2) NucleosideUracil
(3) CholesterolGuanin
(4) Amino acidNH2

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Given below are two statements A and B. Choose the correct answer related to the statements.
Statement A - Amino acids are amphoteric in their function.
Statement B - All amino acids are necessary for our body.

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A protein having both structural and enzymatic traits is

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Which one of the following pairs is wrongly matched?

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Which one of the following statements is true with reference to enzymes?

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Which one of the following is wrong statement?

Answer
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