LPT-0120
QUESTION
A muscle possesses higher water holding capacity in?
OPTIONS
(A) Rigor state
(B) Pre-rigor state
(C) Post-rigor state
(D) Any of the above
ANSWER
(B) Pre-rigor state
EXPLANATION
Pre-rigor muscle has relatively high water-holding capacity because ATP is still present and the proteins have not yet reached the low-pH, tightly packed rigor condition. Water-holding capacity decreases as rigor develops and pH approaches the isoelectric region of muscle proteins. Hence, option (B) is correct.
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