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Questions and Answers
What is the primary source of energy for the contraction of cardiac myocytes?
What is the primary source of energy for the contraction of cardiac myocytes?
- Coronary arteries
- Anaerobic respiration
- Mitochondria (correct)
- Myoglobin
Which pigment in cardiac myocytes is responsible for storing and transferring oxygen?
Which pigment in cardiac myocytes is responsible for storing and transferring oxygen?
- Rich blood supply
- Myoglobin (correct)
- Coronary arteries
- Mitochondria
In which type of metabolism does aerobic respiration occur?
In which type of metabolism does aerobic respiration occur?
- When oxygen is present (correct)
- When mitochondria are inactive
- During anaerobic respiration
- When tissue is deprived of oxygen
Which process is employed by all tissues for the breakdown of glucose to provide energy?
Which process is employed by all tissues for the breakdown of glucose to provide energy?
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What is the end product of glycolysis in cells with mitochondria and an adequate supply of oxygen?
What is the end product of glycolysis in cells with mitochondria and an adequate supply of oxygen?
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Which specific material can pass across the cell membrane via protein channels?
Which specific material can pass across the cell membrane via protein channels?
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What is required to reoxidize the NADH formed during glycolysis?
What is required to reoxidize the NADH formed during glycolysis?
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Which metabolic pathway is at the hub of carbohydrate metabolism?
Which metabolic pathway is at the hub of carbohydrate metabolism?
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