ATP production is limited from glycolysis in strenuously exercising muscle or when yeast are fermenting carbohydrates in closed vessels. The limiting factor is Select one: a. the increased acidity from lactic acid causing muscle damage b. the accumulation of CO2 c. the lack of ATP to continue glycolysis d. the lack of organic fuel molecules to oxidize e. the need to regenerate NAD+
Q: Describe in general terms what happens to a molecule of glucose during aerobic respiration
A: Metabolism is process of various biochemical reactions that breaks and makes the molecules in the…
Q: You would expect decreased production of ATP in all of the following individuals except a. an…
A: Adenosine triphosphate (ATP) is an energy carrying molecule found in the cells of all living things.…
Q: What effect will increasing the number of c subunits in ATP synthase have on the P:O ratio? A.…
A: ATP (adenosine triphosphate) synthase refers to the enzyme that generates the ATP which is an energy…
Q: • Scenario A: 100 g of glucose in the presence of unlimited oxygen is metabolized through aerobic…
A: The molecular mass of one mole of glucose = 180gms. The molecular mass of ATP = 507gms
Q: What is the importance of fermentation to cellular metabolism? a. It generates glucose for the…
A: Fermentation is a metabolic process that produces chemical changes in organic substrate like glucose…
Q: Substrate-level phosphorylation (a) occurs through a chemiosmotic mechanism (b) accounts for most of…
A: Answer: Introduction: In substrate-level phosphorylation a phosphoryl group is transported from an…
Q: During cellular respiration, 60 molecules of CO2 were given off as waste. a. How many pyruvate…
A: Cellular Respiration is a metabolic pathway to break down glucose and produces ATP which is the…
Q: ATP inhibits phosphofructokinase by binding to an allosteric site in glycolysis. ATP is functioning…
A: Glycolysis is the metabolic pathway in which one molecule of glucose is broken down into two…
Q: When unlimited energy (glucose = 100 and fat = 100) is available and pyruvate processing is…
A: The electron transport chain is a series of electron transporters embedded in the inner…
Q: The first half of glycolysis is referred to as the preparatory or investment phase because it…
A: The first half of glycolysis is known as energy requiring steps.
Q: In general, the ratio of oxidized versus reduced NAD is best described by which ONE statement below?…
A: The NADH and NAD+ play an important role in metabolism as the glucose metabolism of the NAD+ result…
Q: Which of the following statements is true when glucose is oxidized in the presence of O2? a. All ATP…
A: Respiration is an oxidative process, in which energy released by the respiratory substrate like…
Q: Anaerobic respiration in humans occurs primarily in muscle cells during high- intensity exercise.…
A: Primary source of fuel in muscles is glucose, for both aerobic and anaerobic metabolism. In aerobic…
Q: For many years, the total number of molecules of ATP produced for each molecule of glucose in…
A: The theoretical yield of ATP is 36 to 38 ATP per glucose. While the actual yield is, 30 to 32 ATP.…
Q: The greatest amount NADH is produced during which stage of aerobic respiration! A) O glycolysis B) O…
A: Aerobic respiration is the biochemical process of cellular respiration which takes place in the…
Q: For each molecule of glucose that enters cellular respiration, what would be the combined products…
A: Cellular respiration is a set of metabolic reactions and processes that take place in the cells of…
Q: What effect would cyanide have on NADH and NAD+ concentrations in a cell? In your response, you must…
A: Cyanide is a poison that inhibits the cellular respiration by binding to ferric ions of cytochrome…
Q: During oxidatative phosphorylation, the role of oxygen is to: a) run through the turbine to spin it…
A: the 4 stages of cellular respiration include glycolysis, transition reaction (pyruvate oxidation),…
Q: If the enzyme that catalyzed the reaction that converts pyruvate to acetyl-CoA and carbon dioxide is…
A: The cellular respiration involves in the breakdown of glucose and production of energy in the form…
Q: Which of the following statements is correct? A) NAD+ is reduced to NADH during glycolysis,…
A: NADH is an electron carrier used in the process of cellular respiration. The oxidized form, NAD+,…
Q: With regards to glycolysis, all of the following statements are FALSE except. O a. glycolysis occurs…
A: Answer : e) glycolysis does not require oxygen. glycolysis uses no oxygen as glycolysis is the…
Q: Cells use primarily two ways of storing potential energy: 1) as concentration gradients and 2) in…
A: The cells follow different strategies to store the potential energy. The energy stored and released…
Q: Which of the following is true concerning glycolysis? A. It is an aerobic process. B. A net of 2…
A: Glycolysis is the process by which one molecule of glucose is converted into two molecules to…
Q: Which of the following statements is not true? (a) Glycolysis is the first stage of cellular…
A: In the cytoplasm, glycolysis takes place. Glucose is degraded into two pyruvate molecules during…
Q: Indicate at what step in the glycolysis pathway each of the following events occur: a. Second…
A: Glycolysis is a metabolic pathway during which glucose molecule splits into pyruvate molecules with…
Q: A total of 32 mol of ATP can be produced by the complete oxidation of 1 mol of glucose in the liver.…
A: During Glycolysis, 4 molecules of ATP are produced per glucose molecule and 2 ATPs are consumed.…
Q: In addition to ATP and pyruvate, NADH and H20 are other end products of glycolysis? Select one: O A.…
A: Cellular respiration is the process in which there is the breakdown of the food that is taken in by…
Q: Thermogenin in the inner membrane of brown fat cell mitochondria does all of the following except…
A: Brown fat represents the brown adipose tissues that are specifically abundant in infants.
Q: Write a one-sentence explanation for each of the following statements. (a) When the charge index is…
A: Glycolysis is the process of converting sugar or glucose to pyruvate so as to obtain energy in the…
Q: Metabolic state of cells and organism can be associated with inmplication of ATP and NADH. Explain…
A: Aerobic cellular respiration occurs in four stages-glycolysis, pyruvate oxidation, the citric acid…
Q: After strenuous exercise, you may notice that your muscles burn and feel sore the next day. Which…
A: Lactic acid is produced by muscle cells to provide energy during strenuous exercise. When the body…
Q: about aerobic respiration is true? a. Oxygen is the final electron acceptor in the citric acid…
A: The aerobic respiration is the process of producing energy using oxygen. Let's see which option is…
Q: Oxidative phosphorylation depends on a pair of coupled reactions – one involving the electron…
A: Oxidative phosphorylation is the process in which ATP is formed as a result of the transfer of…
Q: An important reaction that must occur in both fermentation and aerobic cellular respiration is A)…
A: Cellular respiration is a group of the process that occurs in cytosol and mitochondria of the cell…
Q: Which is common between aerobic respiration and anaerobic respiration ? (A) Similar substrate (B)…
A: Introduction - Respiration can be divided into two categories: Respiration that occurs in the…
Q: Which of the two set ups shall generate higher amount of energy in terms of net ATP generated? Set…
A: Oxidation of fats Oxidation of fats is a process by which the fats are hydrolysed into small…
Q: Which of the following distinguishes fermentation from aerobic respiration? (Only one choice is…
A: Aerobic respiration is the aerobic catabolism of nutrients to carbon dioxide, water, and energy, and…
Q: During the reactions of ________ glucose is _______ to CO2.
A: Answer: GLYCOLYSIS = It is a biochemical synthesis pathway where one molecule of glucose is oxidixed…
Q: a) Using full chemical structures of substrates and products, draw the two possible pyruvate…
A: Glycolysis is the catabolic process where the six-carbon glucose is converted into three-carbon…
Q: Assume that a person was born with a defective NADH dehydrogenase complex, the complex that allows…
A: Electron transport chain present in the inner membrane of mitochondria, it includes 4 complexes;…
Q: Which of the following statements about the generation of ATP in the electron transport chain is…
A: Which of the following statements about the generation of ATP in the electron transport chain is…
Q: Consider the steps of the krebs cycle and electron carrier chain and answer: a) How many ATPs are…
A: The metabolic process involves several pathways such as glycolysis, Kreb cycle, and electron carrier…
Q: Which of the given process does not occur in mitochondria? a.Formation of acetyl CoA b.Oxidation of…
A: Respiration is the process by which energy is produced by the food we consume. All living organisms…
Q: Oligomycin is a substance that prevents the ATP synthesis reaction in oxidative phosphorylation, and…
A: Within the mitochondrial inner membrane lies a sequence of proteins and organic compounds that…
Q: You are testing the effects of different molecules on respiration using isolated liver cells that…
A: Electrons are transferred from NADH/FADH2 to molecular oxygen (O2) through a series of electron…
Q: Which of the following processes is mediated by the F0F1 ATP Synthase complex?
A: Answer: F0F1 ATP Synthase complex = This is an enzyme complex which carries out the ATP synthesis…
Q: Imagine that NADH concentrations are made high in a cell. What is the logical result? Select all…
A: metabolism- is a process to form energy out of food we have. there are 5 types of metabolic…
Q: Cyanide blocks the mitochondrial electron transport chain. This inhibits ATP synthesis via oxidative…
A: Cyanide poisoning is defined as the poisoning resulting from exposure to different forms of cyanide.…
Q: What is the fate of pyruvic acid in an organism that uses aerobic respiration? Question 2 options:…
A: Cellular respiration is a set of metabolic reactions and processes that take place in the cells that…
Step by step
Solved in 2 steps
- Yeast can proceed with aerobic respiration, but with low levels of oxygen they rely on a. lactic acid fermentation. b. C. d. e. using nitrate as an electron acceptor. acetaldehyde to oxidize NADH. enzyme inhibitors to stop glycolysis. All of these. b C aThe rate of oxidative phosphorylation I. is regulated by the availability of ADP and Pi.II. is reduced when the ratio of [NADH]/[NAD+] is high.III. increases with a higher concentration of reduced cytochrome cIV. is regulated by activity of the ADP-ATP translocator. There are multiple correct answer choices. I think the correct answer is I,III, IV but I am not sure.which of the following woudl decrease the number of atp molecules generated per nadh molecule in the electron transport chain? a. increasing the energy of the electrons nadh transfer to complex I b. reducing the number of protons required by ATP synthase to produce an ATP moelcule c. having nadh transfer its elections to complex III instead of complex I d. increasing the amount of oxygen available to the cell
- Which of the following statements about the use the NADPH generated from the pentose phosphate pathway is not true? NADPH generated from the pentose phosphate pathway is used for the synthesis of fatty acids. b. NADPH generated from the pentose phosphate pathway and cytoplasmic NADH is metabolically interchangeable. O c. NADPH generated from the pentose phosphate pathway is used for the regeneration of glutathione to its reduced state. O d. NADPH generated from the pentose phosphate pathway is used for lipid synthesis. Clear my choiceWhich of the following is true for both aerobic and anaerobic cellular respiration? A B с D oxidation of FADH₂ to FAD reduction of FAD to FADH₂ oxidation of NADH to NAD + reduction of NAD * to NADHRapidly dividing cells such as bone marrow, skin, intestinal mucosa, and cancer cells need DNA synthesis. In these cells, the following is observed: a. a decreased NADPH / NADP+ ratio b. increased flux through the oxidative reactions c. Flux through the oxidative reactions is low and the nonoxidative reactions are reversed to make ribose 5-phosphate. d. Ribose 5-phosphate is recycled through the oxidative steps via the nonoxidative reactions and gluconeogenesis. e. Ribose 5-phosphate is shunted into glycolysis by the nonoxidative reactions.
- The net result of glycolysis is Select one: O a. 2 NADH, 4 ATP, and 2 pyruvates O b. 2 NADH, 2 ATP, and 2 pyruvates O c. 36 ATP O d. 2 NADH, 2 ATP, and 2 acetyl-CoAs O e. 8 NADH, 2 ATP, and 6 carbon dioxidesName what is asked: a. enzyme that is inhibited in the glycolytic pathway whenever the cell has ample ATP and is well supplied by other fuels such as fatty acidsb. resulting molecule(s) during the investment phase of glycolysisc. glycolytic substrate which is the precursor of the pentose phosphate pathwayATP for muscle contraction can be provided by ______. a. aerobic respiration b. lactate fermentation c. transfer of a phosphate from creatine phosphate d. all of the above
- Which of the following statements are TRUE? O a. Phosphofructose kinase (PFK) is used exclusively for anaerobic glycolysis O b. Mitochondria cannot produce ATP from protein and fat O c. Mitochondria are not used in high intensity exercise but are the only system responsible for ATP production during light and moderate intensity exercise O d. From a single glucose molecule, mitochondria form much more ATP than comes directly from glycolysisWhy does anaerobic respiration occur during vigorious exercise?a. during anaerobic respiration, enzymes make more ATP than during aerobic exercise.b. Anaerobic respiration releases more energy from glucose tan aerobic respiration.c. There maybe insuffiecient oxyen supplied to the muscle cells.d. Carbon dioxide builds up in the respiring muscle cells.Fermentation is a strategy used by cells to a. oxidize NADH. b. reduce pyruvate. C. increase 02 levels. reduce CO2 levels. limit glycolysis. d. e. a by