Match column I with column I I and select the correct option from the given codes. Column I Column II (a) Galactose (i) Protein (b) Anticoagulant (ii) Phospholipid (c) Fructose (iii) Brain sugar (d) Lecithin (iv) Heparin (e) Insulin (v) Fruit sugar

a - ( i i i ) , b - ( i v ) , c - ( v ) , d - ( i i ) , e - ( i )

a - ( v ) , b - ( i i i ) , c - ( i i ) , d - ( i ) , e - ( i v )

a - ( v ) , b - ( i i i ) , c - ( i ) , d - ( i v ) . e - ( i i )

a - ( i ) , b - ( i i ) , c - ( i i i ) , d - ( v ) , e - ( i v )

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IMPORTANT

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Which of the following statements about enzymes are correct?
(i) Enzymes do not alter the overall change in free energy for a reaction.
(ii) Enzymes are proteins whose three dimensional shape is key to their functions.
(iii) Enzymes speed up reactions by lowering activation energy.
(iv) Enzymes are highly specific for reactions.
(v) The energy input needed to start a chemical reaction is called activation energy.

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Important Questions on Chemical Constituents of Living Cells

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NEET

IMPORTANT

Biology Crash Course NEET>Chapter 9 - Chemical Constituents of Living Cells>Level 3>Q 17

Read the given statements and select the correct option.
(i) Right end of a polysaccharide chain is called reducing end while the left end is called non-reducing end.
(ii) Starch can hold iodine molecules in its helical secondary structure but cellulose being non-helical, cannot hold iodine.
(iii) Starch and glycogen are branched molecules.
(iv) Starch and glycogen are the reserve food materials of plants and animals, respectively.