Biomolecules And Chemistry In Everyday Life Result Question 8
8. Poly- $\beta$-hydroxybutyrate-Co- $\beta$-hydroxyvalerate (PHBV) is a copolymer of $\qquad$
(2019 Main, 12 Jan I)
(a) $3$ -hydroxybutanoic acid and $2$ -hydroxypentanoic acid
(b) $2$ -hydroxybutanoic acid and $3$ -hydroxypentanoic acid
(c) $3$ -hydroxybutanoic acid and $4$ -hydroxypentanoic acid
(d) $3$ -hydroxybutanoic acid and $3$ -hydroxypentanoic acid
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Answer:
Correct Answer: 8. ( d )
Solution:
- Poly-$\beta$-hydroxy butyrate Co-$\beta$-hydroxyvalerate (PHBV) is a copolymer of $3$ -hydroxybutanoic acid and $3$ -hydroxypentanoic acid. It is used in speciality packaging, orthopaedic devices and in controlled release of drugs. PHBV undergoes bacterial degradation in the environment. The reaction involved is as follows :
BETA
