Which of the following is a constitutive enzyme? a) Hexokinase c) B galactosidase b) Glucokinase d) Cycloxygenase-2 of complexes in electron transport
Q: Why is peroxidase (or catalase) required by organisms that use oxygen in metabolism?
A: Peroxidases, commonly referred as catalases, are another type of oxidoreductase enzyme that…
Q: How many ATPS are generated in one TCA cycle ?
A: The parts of cellular respiration are both Glycolysis and TCA cycle , out of which Glycolysis is…
Q: What are the steps involved in a Redox reaction that is catalyzed by a dehydrogenase enzyme?
A: Answer
Q: Which molecules can enter the Krebs cycle? a. chylomicrons b. acetyl CoA c. monoglycerides d. ketone…
A: Krebs cycle or Citric-acid cycle is a series of metabolic reactions taking place inside the body to…
Q: What is the function of cytochrome c oxidase?
A: Cytochromes oxidase also is known as complex IV. It is the terminal enzyme of the electron transport…
Q: What are the functions of oxygen in oxidative phosphorylation
A: Oxidative phosphorylation is also known as phosphorylation linked to electron-transport. Living…
Q: What is the first step in the catabolism of an amino acid to intermediates of cellular respiration
A: Introduction: Cellular respiration is the process by which the chemical energy of food is converted…
Q: How does oxidation of a molecule occur without oxygen?
A: The terms oxidation and reduction can be defined in terms of adding or removing oxygen to a…
Q: What is the primary mechanism that regulates amino acid metabolism when the supply of amino acids…
A: Proteins are biomolecules constituted by amino acids long chains linked by a peptide bond which…
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: How many carbons from 13 original glucose molecules enter the Krebs cycle in the absence of oxygen?
A: Question - How many carbons from 13 original glucose molecules enter the Krebs cycle in the absence…
Q: Can Glucose Provide Electrons for Biosynthesis?
A: Glucose is a sugar molecule that is the most staple fuel for cells. It is the only energy-providing…
Q: What does it mean to say that during cellular respiration, electron carriers are reduced while the…
A: Let’s imagine we have a cell. The cell has just been given a big, juicy glucose molecule, and we…
Q: What is Holoezyme? What is its role?
A: Introduction DNA pol III is the primary enzyme which leads the DNA replication system. It is a…
Q: Where are the enzymes for the Krebs cycle located? The enzymes for oxidative phosphorylation? The…
A: The metabolic currency of the cells is ATP i.e. adenosine tri-phosphate molecule. The enzymes of the…
Q: What type of enzyme is phosphofructokinase? And why is it in that category?
A: Phosphofructokinase is one of the most important regulatory enzymes of the glycolysis. It is an…
Q: Is the reduced form of cytochrome c more likely to give up its electron to oxidized cytochrome a or…
A: In mitochondria, cytochrome c is an element of the electron transport chain. Electrons from the bc1…
Q: The enzyme pyruvate carboxylase that adds CO2 to pyruvate belongs to which of the following class…
A: The enzyme pyruvate carboxylase catalyzes the addition of carbon dioxide to the pyruvate molecule…
Q: What are different ways in which glucose is oxidized to provide energy in various organisms?
A: The process of exchange of gases through different modes, like air or water, for their survival is…
Q: What metabolites accumulate when azide is added to actively respiring mitochondria?
A: Respiration is the process of obtaining energy by breaking down simple and digested food material.…
Q: Which cell structure contains the enzymes required for oxidativephosphorylation?
A: Mitochondria is the cell structure which contains the enzymes required for oxidative…
Q: What kind of reaction is catalyzed by each of the following enzymes? a. citrate decarboxylase b.…
A: An enzyme is a substance that acts as a catalyst in living organisms, regulating the rate at which…
Q: Why isn’t the hexokinase step the commitment step for glycolysis even though it is the first step…
A: Answer. Glycolysis is also known as the Embden Meyerhof pathway, is an oxidative process in which…
Q: How do the roles of ubiquinone and cytochrome c differ from the roles of the other components of the…
A: The electron transport chain is the aerobic respiration last component and is the part of glucose…
Q: What is the function of the citric acid cycle in transforming fuel molecules into ATP?
A: The citric acid (CAC) is one of the most important metabolic pathways, which helps to convert the…
Q: How many times must the TCA cycle be performed to oxidize one molecule of glucose completely to six…
A: TCA cycle is also called as tricarboxylic acid cycle or citric acid cycle or Krebs cycle. TCA cycle…
Q: What does the electron transport chain create?
A: Electron transport chain (ETC) involves a series of complexes that transfer electrons from donor to…
Q: Where do glycolysis, the Krebs cycle, and oxidative phosphorylation take place in the cell?
A: Glucose is oxidized in a series of reaction that occurs in different phases and locations inside a…
Q: How many molecules of ATP are required to synthesize one molecule of CTP from scratch?
A: ATP is an organic compound and hydrotrope that provides energy to drive many processes in living…
Q: What is a major metabolic pathway?
A: The metabolic processes aid in the growth and reproduction of living creatures as well as the…
Q: Amylo-1,6-glucosidase is called a. Glucantransferase b. Debranching enzyme c. Phosphorylase d.…
A: Glycogen synthesis which is also known as glycogenesis occurs in response to the high glucose levels…
Q: Which of the following enzyme sequences correctly orders the enzymes that catalyze the first phase…
A: Glycolysis is breakdown of glucose into pyruvate(aerobic oxidation) or lactate(anaerobic oxidation).…
Q: How does the switch from the two-electron carrier ubiquinol to the one-electron carrier cytochrome c…
A: The electron transport chain occurs in mitochondria in both the processes of photosynthesis as well…
Q: What supplies the energy to drive oxidative phosphorylation?
A: Oxidative phosphorylation is the process responsible for the ATP production as the electrons get…
Q: Individuals who develop scurvy suffer from sore and bleeding gums and loss of teeth. Which of the…
A: Vitamin C is also known as Ascorbic acid. Vitamin C deficiency is enriched in lemons, limes,…
Q: How many C02 molecules are produced from the complete oxidation of stearic acid through catabolic…
A: Beta-oxidation of fatty acid involves the hydrolysis of long-chain fatty acid which removes…
Q: Do do Phosphofructokinases have coenzymes?
A: Phosphofructokinase (PFK) is an enzyme that catalyzes the conversion of fructose-6-phosphate to…
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: What is the fundamental mechanism by which enzymes enhance the rate of chemical reactions?
A: Enzyme are the biomolecules that act as catalyst in many biochemical reaction and increase the rate…
Q: What is the purpose of the Cori cycle?
A: In the anaerobic condition of glycolysis, the glucose was hydrolyzed into lactate in the muscle…
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: How many water molecules are used for one complete turn of krebs cycle?
A: The tricarboxylic acid also called krebs or citric acid cycle is an essential source of energy for…
Q: What are the metabolic effects of not being able to produce the M subunit of phosphofructokinase?
A: Introduction: One of the most significant glycolysis regulating enzymes is phosphofructokinase-1…
Q: What is the purpose of CO dehydrogenase?
A: The enzymes are the proteins that catalyze a biochemical reaction by decreasing its activation…
Q: What is substrate-level phosphorylation? When does it occur during the breakdown of glucose to CO2?
A: Phosphorylation is an important biochemical process, which involves the addition of phosphate to an…
Q: What is the metabolic advantage of having both hexokinase and glucokinase to phosphorylate glucose?
A: The enzyme kinase is a class of enzymes that are involved in the addition of the phosphate group to…
Q: What reaction does cytochrome c oxidase?
A: Cytochromes belongs to the family of colored proteins. In photosynthesis, it facilitates the…
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- How Do Catabolism and Anabolism Differ? What are the features that generally distinguish pathways of catabolism from pathways of anabolism?How many C02 molecules are produced from the complete oxidation of stearic acid through catabolic pathways? A. 14 B. 16 C. 18 D. 20Chemotrophic energy metabolism is a catabolic and exergonic process that produces ATP from oxidizing molecules. Which among the following is not an energy source of chemotrophic energy metabolism? A. Iron B. Photons C. Carbohydrates D. Proteins
- Which of the following statements is correct? a. Glycolysis and Krebs cycle produce ATP in substrate level phosphorylation b. Glycolysis and Krebs cycle produce ATP in oxidative level phosphorylation. c. Glycolysis and pyruvate oxidation produce ATP in substrate level phosphorylation. d. Glycolysis and pyruvate oxidation produce ATP in oxidative level phosphorylation.What are the coenzymes that initiates the generation of ATP in the Electron transport chain?Which of the 2 equations represent cellular respiration? 6CO2 + 6H2O + energy --------> C6H12O6 + 6O2 C6H12O6 + 6O2 ---------> 6CO2 + 6H2O + energy
- Why is the amount of ATP produced in cells that can undergo oxidative phosphorylation much greater than those that undergo substrate level phosphorylation only?What is the first step in the catabolism of an amino acid to intermediates of cellular respiration?Each of the following enzymes catalyzes what sort of reaction?citrate decarboxylase (a. citrate decarboxylase) (b. citrate decarboxyoxalate reductase (b)c. transaminase of serine
- Which of the following are needed to convert fructose 6-phosphate to fructose 1,6-bisphosphate? a) Phosphofructokinase, ATP, and Mg2+ b) only phosphofructokinase c) Phosphofructokinase, ADP, and Mg2+ d) only phosphofructokinase and Mg2+Which of the following molecules serve as a reactant in both the aerobic respiration and fermentation process? A. Glucose B. Carbon Dioxide C. Oxygen D. EthanolDefine the following terms: a. coenzyme b. anabolic pathway c. catabolic pathway d. signal transduction pathway e. glycolysis
