ANSC 2301 Lecture Exam 2 Questions
and Answers
What effects does an increase in marbling score and USDA Quality grade have on the
palatability of a positive eating experience? - Correct Answers -Both increase
palatability
. __________ (beta red type 1)
muscle fibers are smaller diameter, darker in color, have
higher myoglobin concentration, and are heat resistant. Where as _________ (alpha
whit type 2 B) muscle fibers are wider diameter, paler in color, and easily heat. - Correct
Answers -1. Slow fibers
2. Fast Fibers
Following blood removal post mortem metabolism is predominantly involves
__________
glycolysis because O2 is lost - Correct Answers -Anaerobic
Post mortem glycolysis produces ___________ ____________ which effectively lowers
the
PH in muscle. - Correct Answers -Lactic Acid
The initial (living PH) of muscle is approximately ________ where as the ultimate
normal PH
of muscle is ______ to _______. - Correct Answers -1. 7.0-7.2
2. 5.4-5.5
PSE - Correct Answers -pale, soft, exudative
DFD - Correct Answers -dark, firm, dry
three forms or types of water in muscle - Correct Answers -1. Bound Water
2. Immobilized Water
3. Free Water
The PSE condition is normally caused by _________ term stress. While DFD
_________
term stress - Correct Answers -1. Short
2. Long
and Answers
What effects does an increase in marbling score and USDA Quality grade have on the
palatability of a positive eating experience? - Correct Answers -Both increase
palatability
. __________ (beta red type 1)
muscle fibers are smaller diameter, darker in color, have
higher myoglobin concentration, and are heat resistant. Where as _________ (alpha
whit type 2 B) muscle fibers are wider diameter, paler in color, and easily heat. - Correct
Answers -1. Slow fibers
2. Fast Fibers
Following blood removal post mortem metabolism is predominantly involves
__________
glycolysis because O2 is lost - Correct Answers -Anaerobic
Post mortem glycolysis produces ___________ ____________ which effectively lowers
the
PH in muscle. - Correct Answers -Lactic Acid
The initial (living PH) of muscle is approximately ________ where as the ultimate
normal PH
of muscle is ______ to _______. - Correct Answers -1. 7.0-7.2
2. 5.4-5.5
PSE - Correct Answers -pale, soft, exudative
DFD - Correct Answers -dark, firm, dry
three forms or types of water in muscle - Correct Answers -1. Bound Water
2. Immobilized Water
3. Free Water
The PSE condition is normally caused by _________ term stress. While DFD
_________
term stress - Correct Answers -1. Short
2. Long