Podcast
Questions and Answers
Which molecule is the starting substrate for glycolysis?
Which molecule is the starting substrate for glycolysis?
- Galactose
- Fructose
- Sucrose
- Glucose (correct)
What is the net ATP yield per glucose molecule in glycolysis?
What is the net ATP yield per glucose molecule in glycolysis?
- 4 ATP
- 6 ATP
- 2 ATP (correct)
- 8 ATP
What is the name of the enzyme that catalyzes the conversion of glucose to glucose-6-phosphate?
What is the name of the enzyme that catalyzes the conversion of glucose to glucose-6-phosphate?
- Hexokinase (correct)
- Aldolase
- Glucokinase
- Phosphofructokinase
What is the name of the enzyme that catalyzes the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate?
What is the name of the enzyme that catalyzes the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate?
What is the name of the enzyme that catalyzes the conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate?
What is the name of the enzyme that catalyzes the conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate?
What is the name of the enzyme that catalyzes the conversion of phosphoenolpyruvate to pyruvate?
What is the name of the enzyme that catalyzes the conversion of phosphoenolpyruvate to pyruvate?
What is the name of the molecule that allosterically activates phosphofructokinase in glycolysis?
What is the name of the molecule that allosterically activates phosphofructokinase in glycolysis?
What is the name of the molecule that inhibits pyruvate kinase in glycolysis?
What is the name of the molecule that inhibits pyruvate kinase in glycolysis?
What is the fate of pyruvate under anaerobic conditions?
What is the fate of pyruvate under anaerobic conditions?
What is the name of the shuttle that transports electrons from NADH produced in glycolysis into the mitochondria for oxidative phosphorylation?
What is the name of the shuttle that transports electrons from NADH produced in glycolysis into the mitochondria for oxidative phosphorylation?
What is the name of the molecule that inhibits hexokinase in glycolysis?
What is the name of the molecule that inhibits hexokinase in glycolysis?
What is the name of the enzyme that catalyzes the conversion of glucose-6-phosphate to fructose-6-phosphate in glycolysis?
What is the name of the enzyme that catalyzes the conversion of glucose-6-phosphate to fructose-6-phosphate in glycolysis?
Which molecule is the starting substrate for glycolysis?
Which molecule is the starting substrate for glycolysis?
What is the net ATP yield per glucose molecule in glycolysis?
What is the net ATP yield per glucose molecule in glycolysis?
What is the name of the enzyme that catalyzes the conversion of glucose to glucose-6-phosphate?
What is the name of the enzyme that catalyzes the conversion of glucose to glucose-6-phosphate?
What is the name of the enzyme that catalyzes the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate?
What is the name of the enzyme that catalyzes the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate?
What is the name of the enzyme that catalyzes the conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate?
What is the name of the enzyme that catalyzes the conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate?
What is the name of the enzyme that catalyzes the conversion of phosphoenolpyruvate to pyruvate?
What is the name of the enzyme that catalyzes the conversion of phosphoenolpyruvate to pyruvate?
What is the name of the molecule that allosterically activates phosphofructokinase in glycolysis?
What is the name of the molecule that allosterically activates phosphofructokinase in glycolysis?
What is the name of the molecule that inhibits pyruvate kinase in glycolysis?
What is the name of the molecule that inhibits pyruvate kinase in glycolysis?
What is the fate of pyruvate under anaerobic conditions?
What is the fate of pyruvate under anaerobic conditions?
What is the name of the shuttle that transports electrons from NADH produced in glycolysis into the mitochondria for oxidative phosphorylation?
What is the name of the shuttle that transports electrons from NADH produced in glycolysis into the mitochondria for oxidative phosphorylation?
What is the name of the molecule that inhibits hexokinase in glycolysis?
What is the name of the molecule that inhibits hexokinase in glycolysis?
Which molecule is the end product of glycolysis?
Which molecule is the end product of glycolysis?
What is the net gain of ATP molecules produced in glycolysis?
What is the net gain of ATP molecules produced in glycolysis?
What is the role of NAD+ in glycolysis?
What is the role of NAD+ in glycolysis?
Which enzyme is responsible for the conversion of glucose to glucose-6-phosphate?
Which enzyme is responsible for the conversion of glucose to glucose-6-phosphate?
What is the fate of pyruvate in the absence of oxygen?
What is the fate of pyruvate in the absence of oxygen?
Which molecule allosterically inhibits phosphofructokinase, slowing down glycolysis?
Which molecule allosterically inhibits phosphofructokinase, slowing down glycolysis?
What is the role of phosphoglycerate kinase in glycolysis?
What is the role of phosphoglycerate kinase in glycolysis?
What is the function of aldolase in glycolysis?
What is the function of aldolase in glycolysis?
Which molecule is the primary source of energy for glycolysis?
Which molecule is the primary source of energy for glycolysis?
Which enzyme catalyzes the conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate?
Which enzyme catalyzes the conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate?
What is the function of enolase in glycolysis?
What is the function of enolase in glycolysis?
What is the function of pyruvate kinase in glycolysis?
What is the function of pyruvate kinase in glycolysis?
True or false: Glycolysis is the only pathway for glucose metabolism in the human body.
True or false: Glycolysis is the only pathway for glucose metabolism in the human body.
True or false: Glycolysis occurs in the cytoplasm of cells.
True or false: Glycolysis occurs in the cytoplasm of cells.
True or false: The first step of glycolysis is the phosphorylation of glucose to glucose-6-phosphate.
True or false: The first step of glycolysis is the phosphorylation of glucose to glucose-6-phosphate.
True or false: Glycolysis produces more energy in aerobic conditions compared to anaerobic conditions.
True or false: Glycolysis produces more energy in aerobic conditions compared to anaerobic conditions.
True or false: The conversion of 3-phosphoglycerate to 2-phosphoglycerate is an irreversible step in glycolysis.
True or false: The conversion of 3-phosphoglycerate to 2-phosphoglycerate is an irreversible step in glycolysis.
True or false: The enzyme aldolase catalyzes the cleavage of fructose-1,6-bisphosphate into two three-carbon molecules.
True or false: The enzyme aldolase catalyzes the cleavage of fructose-1,6-bisphosphate into two three-carbon molecules.
True or false: NADH is produced in the conversion of glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate in glycolysis.
True or false: NADH is produced in the conversion of glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate in glycolysis.
True or false: The enzyme enolase catalyzes the conversion of 2-phosphoglycerate to phosphoenolpyruvate in glycolysis.
True or false: The enzyme enolase catalyzes the conversion of 2-phosphoglycerate to phosphoenolpyruvate in glycolysis.
True or false: ATP is produced in the conversion of phosphoenolpyruvate to pyruvate in glycolysis.
True or false: ATP is produced in the conversion of phosphoenolpyruvate to pyruvate in glycolysis.
True or false: The conversion of pyruvate to lactate under anaerobic conditions regenerates NAD+ for use in glycolysis.
True or false: The conversion of pyruvate to lactate under anaerobic conditions regenerates NAD+ for use in glycolysis.
True or false: The Cori cycle involves the conversion of lactate produced in muscle cells to glucose in the liver.
True or false: The Cori cycle involves the conversion of lactate produced in muscle cells to glucose in the liver.
True or false: Fructose-2,6-bisphosphate is a potent activator of phosphofructokinase-1 in glycolysis.
True or false: Fructose-2,6-bisphosphate is a potent activator of phosphofructokinase-1 in glycolysis.
Carbohydrates are the only source of energy for the body.
Carbohydrates are the only source of energy for the body.
The recommended daily intake of carbohydrates is 130 grams.
The recommended daily intake of carbohydrates is 130 grams.
Glucose and fructose are examples of monosaccharides.
Glucose and fructose are examples of monosaccharides.
Lactose is an example of a disaccharide.
Lactose is an example of a disaccharide.
The role of carbohydrates in exercise performance includes delaying fatigue and improving endurance.
The role of carbohydrates in exercise performance includes delaying fatigue and improving endurance.
Consuming carbohydrates during exercise can lead to a decrease in gastric emptying.
Consuming carbohydrates during exercise can lead to a decrease in gastric emptying.
The glycemic index (GI) measures the speed at which carbohydrates are absorbed and converted into glucose.
The glycemic index (GI) measures the speed at which carbohydrates are absorbed and converted into glucose.
High GI foods can cause a rapid increase in blood glucose levels and insulin secretion.
High GI foods can cause a rapid increase in blood glucose levels and insulin secretion.
The glycemic response to a food can be affected by factors such as the amount of fiber and fat in the food.
The glycemic response to a food can be affected by factors such as the amount of fiber and fat in the food.
Carbohydrates have a direct effect on the secretion of hormones such as insulin and glucagon.
Carbohydrates have a direct effect on the secretion of hormones such as insulin and glucagon.
The recommended daily intake of carbohydrates varies depending on age, sex, and physical activity level.
The recommended daily intake of carbohydrates varies depending on age, sex, and physical activity level.
Carbohydrates are stored in the body as glycogen in the liver and muscles.
Carbohydrates are stored in the body as glycogen in the liver and muscles.
Which of the following is NOT a function of carbohydrates within the body?
Which of the following is NOT a function of carbohydrates within the body?
Which of the following is an example of a monosaccharide?
Which of the following is an example of a monosaccharide?
Which of the following is an example of a disaccharide?
Which of the following is an example of a disaccharide?
Which of the following is an example of a complex carbohydrate?
Which of the following is an example of a complex carbohydrate?
Which of the following is NOT a factor that can influence gastric emptying during exercise?
Which of the following is NOT a factor that can influence gastric emptying during exercise?
Which of the following is a characteristic of high glycemic index (GI) carbohydrates?
Which of the following is a characteristic of high glycemic index (GI) carbohydrates?
Which of the following is a characteristic of low glycemic index (GI) carbohydrates?
Which of the following is a characteristic of low glycemic index (GI) carbohydrates?
Which of the following is a potential benefit of consuming carbohydrates during endurance events?
Which of the following is a potential benefit of consuming carbohydrates during endurance events?
Which of the following is a potential drawback of consuming high GI carbohydrates before exercise?
Which of the following is a potential drawback of consuming high GI carbohydrates before exercise?
Which of the following is a potential benefit of consuming low GI carbohydrates before exercise?
Which of the following is a potential benefit of consuming low GI carbohydrates before exercise?
Which of the following hormones is involved in regulating blood sugar levels?
Which of the following hormones is involved in regulating blood sugar levels?
Which of the following hormones is released in response to low blood sugar levels?
Which of the following hormones is released in response to low blood sugar levels?
Which of the following accurately describes the role of carbohydrates in exercise performance?
Which of the following accurately describes the role of carbohydrates in exercise performance?
What is the glycaemic index (GI)?
What is the glycaemic index (GI)?
Which of the following is a factor that can influence gastric emptying during exercise?
Which of the following is a factor that can influence gastric emptying during exercise?
What is the process of glycolysis?
What is the process of glycolysis?
Which of the following accurately describes the role of lactate in the body during exercise?
Which of the following accurately describes the role of lactate in the body during exercise?
What is the mechanism of the bicarbonate buffering system?
What is the mechanism of the bicarbonate buffering system?
Which of the following is a type of muscle fibre?
Which of the following is a type of muscle fibre?
What is the recommended intake of carbohydrates in the body?
What is the recommended intake of carbohydrates in the body?
Which of the following accurately describes the process of oxidative phosphorylation?
Which of the following accurately describes the process of oxidative phosphorylation?
Which of the following accurately describes the predominance of muscle fibre phenotype in specific athlete cohort?
Which of the following accurately describes the predominance of muscle fibre phenotype in specific athlete cohort?
What is the effect of carbohydrate intake on exercise performance?
What is the effect of carbohydrate intake on exercise performance?
What is the role of carbohydrate in exercise performance?
What is the role of carbohydrate in exercise performance?
