Structural proteins are

Structural proteins are
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 Ans. Collagen and Elastin
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A high surface area to volume ratio in cells is important because it (a) Enables efficient transfer of wastes, nutrients and gases across the cell membrane (b) Prevents overproduction of cell proteins due to structural limitations (c) Allows many antigens on the surface for identification of self and non-self (d) Provides for better structural support to cope with external physical pressure

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