a) facilitates absorption of products of digestion .
gaseous exchange
excretion of nitrogenous wastes
b) no observable change in colour
boiling starch with hydrochloric acid hydrolyses starch into sugars/ maltose/ glucose which facilitates active transfer of materials across the cell membrane
has phosphate groups which is be used in synthesis of AIP to release energy for active transport
c) (i) Cell membrane – contains carries
(ii) They are both involved in the movement of molecules across a semi permeable membrane
sharon kalunda answered the question on May 27, 2019 at 05:43
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