31) Creatine phosphate serves to A) cause the decomposition of ATP. B) supply en

Question

31) Creatine phosphate serves to A) cause the decomposition of ATP. B) supply energy to synthesize ATP. C) decompose ADP. D) synthesize ADP. E) synthesize glucose. 32) The amount of oxygen needed to support the conversion of lactic acid to glycogen is called the A) oxygen debt. B) refractory amount. C) anacrobic threshold. D) aerobic threshold. E) acrobic conversion. 33) A muscle cramp is most likely due to lack of A) ATP. B) ADP. C) actin. D) myosin. E) acetylcholine. 34) Myoglobin stores A) oxygen. B) glycogen. C) ATP D) calcium ions. E) glucose. 35) Glycolysis A) refers to the process of anaerobic respiration. B) can replace ATP in binding to myosin molecules during contraction. C) acts as the only source of ATP in muscle tissue D) is only active during strenuous exercise. B) can usually make enough ATP for skeletal muscle function. 36) When myosin cycling generates less tension than the load, A) an oxygen debt is repaid. B) fatigue occurs. C) relaxation occurs. D) tetany occurs. E) atrophy occurs.

Explanation / Answer

31) B) Creatine Phosphate (PCr) is a major factor in regeneration of ATP. In this process, PCr transfers high energy Phosphate to ADP.

32) A) It represents the oxygen debt of the activity.

33) A) If all of the ATP disappears, the cross-bridges cannot detach and sarcoplasmic reticulum cannot remove calcium ions from saecoplsar, this painful cramps occurs.

34) A) Myoglobin is an oxygen-storage protein present in muscle

35) A) Gycolysis is an anerabix process which includes enzymatic breakdown which produces lactic or pyruvic acid and energy stored in high-energy phosphate bonda in the form of ATP.

36) C) Relaxation occurs.

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