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Poly -beta - hydroxybutyrate - co-beta -...

Poly `-beta` - hydroxybutyrate - co`-beta -` hydroxyvalerate (PHBV ) is a copolymer of ________.

A

3- hydroxybutanoic acid and 4-hydroxypentanoic acid

B

2-hydroxybutanoic acid and 3-hydroxybutanpoic acid

C

3-hydroxybutanoic acid and 2- hydroxybutanoic acid

D

3-hydrooxybutanoic acid and 3-hydrooxypentanoic acid

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