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Biomolecules

Short Answer Type

141.

Describe lock and key hypothesis.

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142. Find out how much cellulose is made by all the plants in the biosphere and compare it with how much of paper is manufactured by man and hence what is the consumption of plant material by man annually. What is the loss of vegetation.

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143. Describe induced fit hypothesis.

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144. Define hormone.

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145. Name the various classes of enzymes.

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Long Answer Type

146. Describe the various factors which affect enzymatic reactions.

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Short Answer Type

147. Explain Prothetic group , holoenzyme and enzyme.

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148. What are macromolecules? Give examples.

The molecules found in the acid-soluble fraction having a molecular weight in the range of 10,000 daltons or above are known as the macromolecules of the cell.
These are four different types of macromolecules found in the cell . They are:
i. Proteins
ii. Lipids
iii. Nucleic Acids
iv. Polysaccharides.

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