NUSC 1645 Exam 4 questions with
verified answers to pass
Muscle Foods - correct answer ✔✔Meat, Poultry, Sausage
PM Muscle - correct answer ✔✔Conversion of Muscle to Meat
Aerobic metabolism - correct answer ✔✔TCA cycle in the mitochondria, requires oxygen,
produces ATP and CO2
Number of ATP from Aerobic metabolism - correct answer ✔✔38
Anaerobic Metabolism (glycolysis) - correct answer ✔✔does not require oxygen, produces ATP
and lactic acid, active in post mortem metabolism
Number of ATP produced from Anaerobic Metabolism - correct answer ✔✔2
Lactic Acid - correct answer ✔✔Product of anaerobic metabolism, goes to the liver in living
tissue, builds up in dead tissue
pH of muscle (living, nonliving) - correct answer ✔✔7.4-7, 5.6
Conversion of Muscle to Meat - correct answer ✔✔no circulation, lactic acid buildup, drop in
pH, rigor mortis
, Rigor Mortis - correct answer ✔✔post-mortem stiffening by muscle due to decrease in ATP
production
Actin and Myosin - correct answer ✔✔major proteins involved in contraction of muscle
Muscle contraction - correct answer ✔✔actin and myosin bound together
muscle relaxation - correct answer ✔✔actin and myosin separated by ATP
Myoglobin - correct answer ✔✔Well folded, water soluble protein found in muscle and meat.
Has ferric or ferrous iron in the center
Ferrous iron - correct answer ✔✔Fe2+
Ferric iron - correct answer ✔✔Fe3+
Deoxymyoglobin - correct answer ✔✔purple, Fe2+, no ligand
Oxymyoglobin - correct answer ✔✔due to oxygenation, red, Fe2+, oxygen ligand
Metmyoglobin - correct answer ✔✔due to oxidation, brown, Fe3+, H2O ligand
Carboxymyoglobin - correct answer ✔✔exposed to CO, Fe2+, CO ligand
PVC Packaging - correct answer ✔✔oxygen permeable film, same atmosphere inside and
outside package, meat red at first then brown
verified answers to pass
Muscle Foods - correct answer ✔✔Meat, Poultry, Sausage
PM Muscle - correct answer ✔✔Conversion of Muscle to Meat
Aerobic metabolism - correct answer ✔✔TCA cycle in the mitochondria, requires oxygen,
produces ATP and CO2
Number of ATP from Aerobic metabolism - correct answer ✔✔38
Anaerobic Metabolism (glycolysis) - correct answer ✔✔does not require oxygen, produces ATP
and lactic acid, active in post mortem metabolism
Number of ATP produced from Anaerobic Metabolism - correct answer ✔✔2
Lactic Acid - correct answer ✔✔Product of anaerobic metabolism, goes to the liver in living
tissue, builds up in dead tissue
pH of muscle (living, nonliving) - correct answer ✔✔7.4-7, 5.6
Conversion of Muscle to Meat - correct answer ✔✔no circulation, lactic acid buildup, drop in
pH, rigor mortis
, Rigor Mortis - correct answer ✔✔post-mortem stiffening by muscle due to decrease in ATP
production
Actin and Myosin - correct answer ✔✔major proteins involved in contraction of muscle
Muscle contraction - correct answer ✔✔actin and myosin bound together
muscle relaxation - correct answer ✔✔actin and myosin separated by ATP
Myoglobin - correct answer ✔✔Well folded, water soluble protein found in muscle and meat.
Has ferric or ferrous iron in the center
Ferrous iron - correct answer ✔✔Fe2+
Ferric iron - correct answer ✔✔Fe3+
Deoxymyoglobin - correct answer ✔✔purple, Fe2+, no ligand
Oxymyoglobin - correct answer ✔✔due to oxygenation, red, Fe2+, oxygen ligand
Metmyoglobin - correct answer ✔✔due to oxidation, brown, Fe3+, H2O ligand
Carboxymyoglobin - correct answer ✔✔exposed to CO, Fe2+, CO ligand
PVC Packaging - correct answer ✔✔oxygen permeable film, same atmosphere inside and
outside package, meat red at first then brown
