Weekly 10 quiz: Metabolism Flashcards
Which of the following is anaerobic?
Group of answer choices
The citric acid cycle
Glycolysis
The electron transport chain
Glycolysis
Cholesterol is contained in each of the following complexes. Which of the following is created in the liver and delivers cholesterol to peripheral tissue?
Group of answer choices
LDL
HDL
Chylomicrons
LDL
When in negative energy balance, which of the following is most likely to occur?
Group of answer choices
Increased basal metabolic rate (BMR)
Decreased basal metabolic rate
No change in basal metabolic rate
Decreased basal metabolic rate
Catabolism refers to
Group of answer choices
Building larger molecules from smaller
Breakdown of larger molecules to smaller
Breakdown of larger molecules to smaller
Of the processes below, which is the first step in catabolism of amino acids?
Group of answer choices
Glycolysis
Beta oxidation
Deamination
The electron transport chain
The citric acid cycle
Deamination
Of the processes below, which is the first step in catabolism of fatty acid?
Group of answer choices
Glycolysis
Beta oxidation
Deamination
The electron transport chain
The citric acid cycle
Beta oxidation
Which of the following enzymes directly synthesizes ATP?
Group of answer choices
Cytochrome C
Ubiquinone
ATP synthase
Phosphofructokinase
Lactate dehydrogenase
ATP synthase
Many choice: Acetyl CoA may result from the breakdown of
Group of answer choices
Carbohydrate
Lipids
Protein
Carbohydrate
Lipids
Protein
In brown fat cells, the mitochondrial inner membrane has holes that allow ions to leak into the mitochondrial matrix. This would result in ______________ from enzymes in the mitochondrial inner membrane.
Group of answer choices
Increased ATP synthesis and increased heat production
Increased ATP synthesis but decreased heat production
Decreased ATP synthesis but increased heat production
Decreased ATP synthesis and decreased heat production
Decreased ATP synthesis but increased heat production
Which of the following is most likely to occur in the absorptive state?
Group of answer choices
Synthesis of proteins from amino acids
Breakdown of proteins to aid in glucose formation
Synthesis of proteins from amino acids
Those suffering from diabetes mellitus may experience ketoacidosis. This is due to a buildup of
Group of answer choices
Pyruvate
Lactic acid
Acetyl CoA
Oxaloacetate
Acetyl CoA
Urea is formed when ______________ is broken down to produce ATP
Group of answer choices
Lipid
Protein
Fat
Protein
Which of the following provides energy for the enzyme ATP synthase?
Group of answer choices
A sodium ion gradient
A potassium ion gradient
A hydrogen ion gradient
ATP
ADP + Pi
A hydrogen ion gradient
While reading this question your body is
Group of answer choices
Using ATP
Not using ATP
Using ATP
Which of the following hormones regulates blood glucose in the POST-absorptive state?
Group of answer choices
Insulin
Ghrelin
Gastrin
Glycogen
Glucagon
Glucagon
Which of the following molecules is an intermediate in the breakdown of fatty acids, glucose, and amino acids?
Group of answer choices
Pyruvate
Acetyl CoA
Leucine
Lactic acid
Acetyl CoA
The electron transport chain is located in the
Group of answer choices
Mitochondrial matrix
Mitochondrial inner membrane
Mitochondrial outer membrane
Cytoplasm
Mitochondrial inner membrane
Which of the following processes produces most CO2 in cellular respiration?
Group of answer choices
Glycolysis
Beta oxidation
Deamination
The electron transport chain
The citric acid cycle
The citric acid cycle
Of the processes below, which is the first step in catabolism of glucose?
Group of answer choices
Glycolysis
Beta oxidation
Deamination
The electron transport chain
The citric acid cycle
Glycolysis
Which of the following processes predominates in the absorptive state?
Group of answer choices
Deamination
Beta oxidation
Glycogen synthesis
Protein degradation
Glycogen synthesis
The excess production of ketoacids in diabetic ketoacidosis is caused by
Group of answer choices
A buildup of glucose within the cell.
A buildup of amino acids within the cell.
A buildup of fatty acids within the cell.
A buildup of acetyl CoA within the cell.
A buildup of acetyl CoA within the cell.
The dominant hormone in the absorptive state is
Group of answer choices
Glucagon
Glycogen
Insulin
Cortisol
Ghrelin
Insulin
Anabolism refers to the
Group of answer choices
Breakdown of smaller molecules into larger
Building larger molecules from smaller
Building larger molecules from smaller
Which of the following is directly generated by the electron transport chain
Group of answer choices
High energy electrons
A hydrogen ion gradient
Oxygen
CO2
Fruits, mostly oranges
A hydrogen ion gradient
