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- 1. How many ATP is produced in one molecule of glucose that undergo glycolysis plus oxidation of pyruvate to acetyl CoA? 2. Galactose and fructose can also used as substrate for glycolysis. Their conversion into a substrate that can enter into the glycolytic pathway involves the use of how many ATPs? 3. How many ATPs are produced when the product of glycolysis undergoes anaerobic respiration?1. A glycolytic substrate which is the precursor of the pentose phosphate pathway. 2. How many pyruvate molecules are derived from the hydrolysis of 3 glucose molecules. 3. The enzyme responsible for the 1st committed step in the glycolytic pathway. 4. The enzyme responsible for the cutting of the sugar on the nonreducing ends of glycogen branches. 5. The enzyme that catalyzes the transfer of a two-carbon fragment from a ketose donor to an aldose acceptor in PPP.1. What are the effects of pH and temperature to catalase? What is the optimum pH and optimum temperature for catalase? 2. Explain why the rate of reaction initially increases with increase in temperature then gradually declines as the temperature is further increased. 3. Is the rate of enzymatic reaction always directly dependent on enzyme concentration? Explain. 4. Explain the effect of substrate concentration on enzyme activity. 5. What is the effect of CuSO, on the enzymatic activity of catalase? 6. Is CuSO4 an activator or inhibitor? If it is an inhibitor, what kind of inhibitor is it?
- 1. Where is most of the ATP’s energy stored?A. In the bond between the adenine and phosphate groupsB. In the bond between the first and third phosphate groups.C. In the bond between the first and second phosphate groups.D. In the bond between the second and third phosphate groups. 2. When is energy released from an ATP molecule?A. When one phosphate group is removed by breaking a phosphoanhydride bond in a process called hydrolysis.B. When two phosphate group are removed by breaking a phosphoanhydride bond in a process called hydrolysisC. The addition of a third phosphate group forms adenosine triphosphate (ATP).D. The addition of a second phosphate group forms adenosine diphosphate (ADP). 3. The continual breakdown and regeneration of ATP is known as_______.A. ATP CycleB. Cell CycleC. HydrolysisD. Phosphorylation1, Using Model 10.9, draw the structure of the substrates of the pentose phosphate pathway and write down the enzymes and coenzymes that are involved in the reaction1. What happens to the pyruvate made during glycolysis under anaerobic conditions? Is this a redox reaction? Why or why not?
- 1. Assuming that everything that’s needed to make tripalmitin comes from glucose, how many glucose would be used by adipose tissue in the synthesis of 1 mol tripalmitin? 2. How many ATP would be used (net of produced and used)? 3. If an animal absorbs 35 g glucose (MW = 180 g/mol) from drinking a can of pop, how many grams of tripalmitin (MW = 807 g/mol) can be produced from it in adipose tissue? Please provide only typed answer solution no handwritten solution needed allowed1. What do some enzymes require for catalytic activity? What is a catalytically active complete enzyme called, along with its cofactor?2. Classify the enzymes. What class of enzymes are lactate dehydrogenase and alpha-amylase?3. What is the function of an enzyme as a catalyst? Where does an enzyme-catalyzed reaction occur?4. What is the most used enzyme activity unit? What is understood when one unit of enzyme activity is mentioned?5. What are the factors affecting the rate of an enzymatic reaction?6. What are the reasons why the rate of a reaction catalyzed by an enzyme decreases over time?7.Describe the relationship between ACE2 (Angiotensin converting enzyme 2) and the COVID-19 outbreak using bioinformatics tools.4. If lots of acetyl-CoA is being formed in the mitochondrial matrix, a particular compound will be exported into the cytosol. a.What compound is this? b. What effect does this compound have on fatty acid synthesis? c. How does the compound produce this effect?
- With one mole each of sucrose, and arginine: 1) rank these molecules in order of increasing energy production, 2) describe the metabolic pathways involved in producing ATP for each molecule, 3) approximate (and explain) and the number of Acetyl-Co A molecules that would be generated from each molecule.1. Why is the chemical logic behind the phosphorylation of glucose by hexokinase? a. So that we end the preparatory phase with 2 3-carbon compounds. b. to provide a substrate for phosphohexose isomerase. c. "Locks" Glucose in the cell. d. to decrease the ΔG of the next reaction. 2. What type of reaction does glyceraldehyde-3-phosphate dehydrogenase catalyze? a. isomerization b. group transfer c. oxidation d. dehydration1. What is the effect of pH on catalase activity? 2. What is the effect of temperature on catalase activity? 3. What is the effect of substrate(H2O2) concentration on catalase activity?