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Lactose is composed of:

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Important Questions on Chemical Constituents of Living Cells

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Which one of the following amino acids is not found in the proteins?
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The graph given below shows the effect of substrate concentration on the rate of reaction of the enzyme green-gram-phosphatase. What does the graph indicates?

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Low temperature preserves the enzyme in a 'A'... state whereas high temperature destroys enzymatic activity because proteins are . B'... by heat. Choose the correct option
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Enzymes, which catalyse the transfer of hydrogen between two substrates, are called