Podcast
Questions and Answers
What is the main hydrocarbon fuel in most cells?
What is the main hydrocarbon fuel in most cells?
- Glucose (correct)
- Amino acids
- Glycerol
- Fatty acids
Which pathway is the only one that yields ATP in the absence of oxygen?
Which pathway is the only one that yields ATP in the absence of oxygen?
- Gluconeogenesis
- Oxidative Phosphorylation
- Glycolysis (correct)
- Krebs Cycle
What is the product of photosynthesis that takes place in green plants due to Chlorophyll?
What is the product of photosynthesis that takes place in green plants due to Chlorophyll?
- Fatty acids
- Glucose (correct)
- Amino acids
- Glycerol
Which monosaccharide is the most abundant in nature?
Which monosaccharide is the most abundant in nature?
Which process involves the breakdown of glycogen into glucose?
Which process involves the breakdown of glycogen into glucose?
What is the universal pathway for hydrocarbon catabolism in all living cells?
What is the universal pathway for hydrocarbon catabolism in all living cells?
What is the key regulatory enzyme in the glycolysis pathway?
What is the key regulatory enzyme in the glycolysis pathway?
What is the free energy change of the reaction converting fructose 1,6-bisphosphate to fructose 6-phosphate in glycolysis?
What is the free energy change of the reaction converting fructose 1,6-bisphosphate to fructose 6-phosphate in glycolysis?
What is the specific response to hormones in glycolysis pathway?
What is the specific response to hormones in glycolysis pathway?
In which step of glycolysis does glyceraldehyde-3-phosphate get oxidized and phosphorylated?
In which step of glycolysis does glyceraldehyde-3-phosphate get oxidized and phosphorylated?
What is the net result of glycolysis for one molecule of glucose?
What is the net result of glycolysis for one molecule of glucose?
Which process occurs in the absence of oxygen and produces lactic acid or ethanol?
Which process occurs in the absence of oxygen and produces lactic acid or ethanol?
In which cellular compartment does the Krebs cycle take place?
In which cellular compartment does the Krebs cycle take place?
What is the molecule that is metabolized in the Krebs cycle?
What is the molecule that is metabolized in the Krebs cycle?
Which pathway regenerates NAD+ from NADH when inadequate oxygen is present?
Which pathway regenerates NAD+ from NADH when inadequate oxygen is present?
"It is a metabolic cycle that consists of a series of chain reactions of oxidation-reduction" refers to which metabolic cycle?
"It is a metabolic cycle that consists of a series of chain reactions of oxidation-reduction" refers to which metabolic cycle?
What is the main storage organ of glycogen?
What is the main storage organ of glycogen?
Which enzyme catalyzes the transfer of glucose from UDPglucose to the C-4 hydroxyl group of a terminal residue in the growing glycogen molecule?
Which enzyme catalyzes the transfer of glucose from UDPglucose to the C-4 hydroxyl group of a terminal residue in the growing glycogen molecule?
What is the biological significance of gluconeogenesis?
What is the biological significance of gluconeogenesis?
What is the purpose of the Cori cycle?
What is the purpose of the Cori cycle?
What is the main purpose of the pentose phosphate pathway?
What is the main purpose of the pentose phosphate pathway?
Where does gluconeogenesis mainly take place?
Where does gluconeogenesis mainly take place?
Which metabolic pathway involves the synthesis of glucose from lactate, glycerol, and amino acids?
Which metabolic pathway involves the synthesis of glucose from lactate, glycerol, and amino acids?
What is the role of ATP synthase in cellular respiration?
What is the role of ATP synthase in cellular respiration?
What is the primary function of NADH and FADH2 in cellular respiration?
What is the primary function of NADH and FADH2 in cellular respiration?
What is the final electron acceptor in the electron transport chain during cellular respiration?
What is the final electron acceptor in the electron transport chain during cellular respiration?
How many protons are pumped to the intermembrane space for each NADH molecule during cellular respiration?
How many protons are pumped to the intermembrane space for each NADH molecule during cellular respiration?
What is the main function of glycogen in animal cells?
What is the main function of glycogen in animal cells?
What enzymes are involved in the breakdown of glycogen to glucose 6-phosphate?
What enzymes are involved in the breakdown of glycogen to glucose 6-phosphate?
What stimulates glycogenolysis, the breakdown of glycogen to glucose?
What stimulates glycogenolysis, the breakdown of glycogen to glucose?
Which polysaccharide is rapidly hydrolyzed by amylase enzyme secreted by salivary glands and pancreas?
Which polysaccharide is rapidly hydrolyzed by amylase enzyme secreted by salivary glands and pancreas?
What is the energetic output of the total oxidation of a molecule of glucose assuming 1 NADH = 2.5 ATP and 1 FADH2 = 1.5 ATP?
What is the energetic output of the total oxidation of a molecule of glucose assuming 1 NADH = 2.5 ATP and 1 FADH2 = 1.5 ATP?
Where is glycogen primarily stored in humans?
Where is glycogen primarily stored in humans?
What happens to oxygen at the end of the electron transport chain in cellular respiration?
What happens to oxygen at the end of the electron transport chain in cellular respiration?
What is the main function of ATP synthase in cellular respiration?
What is the main function of ATP synthase in cellular respiration?
What is the net result for one turn of the Krebs Cycle?
What is the net result for one turn of the Krebs Cycle?
What drives the flow of protons back into the mitochondrial matrix during oxidative phosphorylation?
What drives the flow of protons back into the mitochondrial matrix during oxidative phosphorylation?
Which enzyme is responsible for the introduction of 2 atoms of Carbon in the form of acetyl-CoA in the Krebs Cycle?
Which enzyme is responsible for the introduction of 2 atoms of Carbon in the form of acetyl-CoA in the Krebs Cycle?
What is the primary function of the Krebs Cycle?
What is the primary function of the Krebs Cycle?
Which metabolic pathway is considered to be amphibolic, participating in both catabolism and anabolism?
Which metabolic pathway is considered to be amphibolic, participating in both catabolism and anabolism?
What is the molecule that starts the Krebs Cycle by producing citrate?
What is the molecule that starts the Krebs Cycle by producing citrate?
Which enzyme is responsible for converting pyruvate to oxaloacetate in an anaplerotic reaction for the Krebs Cycle?
Which enzyme is responsible for converting pyruvate to oxaloacetate in an anaplerotic reaction for the Krebs Cycle?
What is the main factor determining the rate of the Krebs Cycle?
What is the main factor determining the rate of the Krebs Cycle?
What is the mechanism used to drive ATP production during oxidative phosphorylation?
What is the mechanism used to drive ATP production during oxidative phosphorylation?
What is the net result of oxidative phosphorylation?
What is the net result of oxidative phosphorylation?
Where does oxidative phosphorylation take place?
Where does oxidative phosphorylation take place?