What is the metabolic advantage of a substrate cycle? What is its cost?
Q: Choose the ultimate electron acceptor during oxidative phosphorylation
A: The elemental oxygen is the ultimate electron acceptor in case of oxidative phosphorylation.
Q: How are the metabolic pathways different in lactic acid fermentation and ethanol fermentation?
A: Lactic acid fermentation as well as alcoholic fermentation both occurs in absence or lack of oxygen.…
Q: What is the role of NAD+ and FAD in the cell?
A: NAD+ and FAD NAD+ is a coenzyme of a water soluble vitamin - Niacin . It is Nicotinamide adenine…
Q: Explain how oxidation of a substrate proceeds without oxygen.
A: Oxidation in simple terms is the process by which any substance gains oxygen. It can also be defined…
Q: With respect to cell metabolism, what is “energy coupling”? Give a very simple example.
A: Cellular metabolism:It is defined as a set of chemical reactions which takes place in living…
Q: What are the steps involved in a Redox reaction that is catalyzed by a dehydrogenase enzyme?
A: Answer
Q: How Does NAD+ Oxidize a Substrate?
A: Introduction Nicotinamide adenine dinucleotide (NAD+) is a biologically active coenzyme in…
Q: What is the difference between substrate level phosphorylation and oxidative phosphorylation?
A: The energy produced by the cell as the end product of metabolism is known as adenosine triphosphate…
Q: how does oxidative phosphorylation differ from substrate-level phosphorylation
A: Phosphorylation is a biochemical process that invokes the addition of phosphate to an organic…
Q: What are two genral metabolic mechanisms by which certain cell can be oxidize organic fuel and…
A: A metabolic or biochemical pathway is where a substrate will convert to a product and that product…
Q: Which central metabolic pathway generates the most reducing power?
A: Step 1 Every living being form from tiny bacterial cells to large plants or animals has thousands of…
Q: How can we tell which enzymes use FAD and which use NAD+ as the oxidizing coenzyme?
A: Nucleotides are the important constituents of many biomolecules in the study of biochemistry. NAD is…
Q: Produce a bar graph that shows the effect of substrate concentration on the rate of reaction for…
A: A graph of the relative reaction rate (1/time taken for a color change to occur) showed that, as the…
Q: Why would you expect to see that reactions ofsubstrate cycles involve different enzymes for…
A: An enzyme is defined as a substance that accelerates the rate of a biochemical reaction by lowering…
Q: Where do the high-energy electrons come from in cellular respiration (what is the source)? Where do…
A: Cellular respiration is the process in which the energy is harvested from the carbon compound…
Q: Why is the Krebs cycle also called the final common pathway of the degradation of organic compounds?
A: Cellular respiration is the process by which the cells take the nutrients in the food and transform…
Q: What are the final energetic products of each round of the Krebs cycle? Where is most part of the…
A: Cellular respiration is the process by which the cells take the nutrients in the food and transform…
Q: What is Krebs cycle? Write 2 important intermediates produced in this cycle?
A: Krebs cycle is a part of metabolic pathway in aerobic organisms. Citric acid, alpha keto glutaric…
Q: What two coenzymes participate in electron transport? Identify the high energy and low energy forms…
A: Electron transport chain refers to the chain of various electron transporters present within the…
Q: If a cell grows on a minimal media and it is made up of phosphate as a source of carbon and energy,…
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Q: Is it likely that any metabolic pathway can exist without control mechanisms?
A: There is a regulation and control mechanism for almost all metabolic processes.
Q: What structure in the cell links the proton motive force to ATPsynthesis? How does it function?
A: Introduction: In cell, the plasma or cytoplasmic membrane of the mitochondria that's energized by…
Q: What is the role of ATP in energy coupling and transfer
A: Adenosine triphosphate (ATP) is a component found throughout cells of all living organisms. ATP…
Q: Which coenzyme is a reactant in the oxidation of a nutrient, NAD+ or NADH? What is the reason for…
A: Introduction: The non-protein organic molecule that has a low molecular weight is referred to as a…
Q: What is the role of bacteria in energy production?
A: The use of fossil fuels as an energy source produces several harmful products. The slower rate of…
Q: What are metabolic pathways catalyzed by? What are metabolic pathways determined by?
A: A metabolic pathway is a series of chemical reactions occurring in the cells. There are three types…
Q: How does the difference between NADH and NADPH affect the reactions in which they are involvedd?
A: NADH and NADPH are two types of reaction intermediates often seen in biochemical reactions. There…
Q: How essential is energy coupling in the transfer of energy in the cells?
A: The cells and tissues can only use certain forms of energy, and the human cells can only use the…
Q: How does fermentation allow a cell to continue the production of ATP without oxygen being present?
A: Fermentation is an anaerobic process of respiration which usually takes place in the absence of…
Q: Why are metabolic pathways so similar in many organisms?
A: Metabolic pathways are a chemical reaction in which a substrate is converted into a product and the…
Q: The most direct method of phosphorylation is ________ phosphorylation. a. substrate-level b.…
A: SUBSTRATE LEVEL It involves the transfer of the phosphate group from one compound to the another.…
Q: Describe the relationship between substrate concentration and initial rate of reaction. What happens…
A: The enzyme binds with its specific substrate to its active to form a product. The enzyme is never…
Q: What is the common metabolic pathway of the three nutrients? (proteins, glucose, triglyceride?)…
A: Metabolic pathways are considered as the crucial steps, which involves the conversion of the…
Q: What is the last electron acceptor? Which process will proceed with or without oxygen
A: Electron acceptor is a molecule that receives or accepts electron from other molecule during redox…
Q: what is the effect of substrate concentration on the rate of reaction?
A: For a typical enzyme, as the substrate concentration increases , initial velocity increases until…
Q: What biochemical reaction is exhibited in the photosynthesis and cellular respiration? A)…
A: Answer 13- option D - oxidation -reduction. photosynthesis and cellular respiration both involve…
Q: Which of the following is true regarding substrate level phosphorylation?
A: A metabolic reaction which results in the formation of ATP or GTP by the transfer of an inorganic…
Q: What is the difference between NAD+ and NADH?
A: The cells are the basic building blocks of the living system. It consists of many internal…
Q: How do substrate-level phosphorylation and oxidative phosphorylation differ?
A: Phosphorylation reactions are involved in cell growth, signal transduction, protein synthesis, cell…
Q: What organisms have ATP synthase?
A: ATP synthase is an enzyme that functions to synthesize ATP from ADP and inorganic phosphate. The…
Q: How is the energy released from the Kreb’s cycle converted to ATP?
A: Krebs cycle refers to the series of metabolic reactions taking place in all aerobic organisms for…
Q: what is the proton-motive force?
A: Osmosis is a phenomenon that involves the maintenance of the equilibrium in the tonicity of two…
Q: How does substrate-level phosphorylation differ from phosphorylation linked to the electron…
A: Substrate level phosphorylation is a Direct Phosphorylation and Phosphorylation linked to the…
Q: How does the process of electron and energy generation vary in the absence of oxygen, according to…
A: Glucose is an essential carbohydrate. It is utilized as an energy source by breaking down via…
Q: What role does NADH play? Why is ATP important to the cell?
A: NADH is a coenzyme central to metabolism. ATP is energy carrying molecule found in the cells of all…
Q: What is the difference between substrate-level phosphorylation and oxidative phosphorylation? Please…
A: Phosphorylation : The transfer of the phosphate group from one compound to the other. Substrate…
Q: What then is the process by which organisms can carry out complete oxidation of glucose and extract…
A: Glucose is the most abundant monosaccharide made by plants and most algae during photosynthesis from…
Q: What happens to NADH during fermentation?
A: Aerobic respiration is the process by which energy is generated from glucose through glycolysis in…
Q: Why is feedback inhibition important in the metabolic pathways
A: Metabolic pathway: Metabolic pathway is also known as biochemical pathway. It is a chemical…
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- Why would you expect to see that reactions ofsubstrate cycles involve different enzymes for different directions?What is the difference between substrate-level phosphorylation and oxidative phosphorylation? Please give an example of each.What happens to the rate of an enzymatic reaction if the amount of substrate is doubled? Why?