(A)(i)Proteins have carbon,hydrogen,oxygen,nitrogen and sulphur while lipids have carbon, hydrogen and oxygen only./Proteins are made up of amino acids while lipids are made up of fatty acids and glycerol.
(ii)Both form cell membrane structure.
B)Broad leaves to provide a large surface area for absorption of light.
Thin and flat to allow penetration of light for photosynthesis.
Belan answered the question on February 22, 2019 at 11:49
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