he following strain of cells lack one enzyme in metabolic pathway. Which of the following strain can grow on glucose under both aerobic and anaerobic conditions, although it grows slower than normal cells under aerobic condition? Explain (less than 100 words). A strain: lack glyceraldehyde-3-phosphate dehydrogenase B strain: lack lactate dehydrogenas

he following strain of cells lack one enzyme in metabolic pathway. Which of the following strain can grow on glucose under both aerobic and anaerobic conditions, although it grows slower than normal cells under aerobic condition? Explain (less than 100 words). A strain: lack glyceraldehyde-3-phosphate dehydrogenase B strain: lack lactate dehydrogenas

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter8: How Cells Make Atp: Energy-releasing Pathways

Section: Chapter Questions

Problem 10TYU: Which of the following is a correct ranking of molecules with respect to their energy value in...

See similar textbooks

Similar questions

Figure 27.3 illustrates the response of R (ATP-regenerating) and U (ATP-utilizing) enzymes to energy charge. a. Would hexokinase be an R enzyme or a U enzyme? Would glutamine: PRPP amidotransferase, the second enzyme in purine biosynthesis, be an R enzyme or a U enzyme? b. If energy charge = 0.5: Is the activity of hexokinase high or low? Is ribose-5-P pyrophosphokinase activity high or low? c. If energy charge = 0.95: Is the activity of hexokinase high or low? Is ribose-5-P pyrophosphokinase activity high or low?
2.Assume we start with 1 Glucose molecule. What are the inputs to the payoff phase of glycolysis? a. 2xPyruvate b. 2xGlyceraldehyde-3P c. 1xDihydoxyacetone-P and 1xGlyceraldehyde-3P d. 2xDihydroxyacetone-P
1. Under aerobic catabolism of glucose, in which compartment of the eukaryotic cell does the following reactions occur? a. Conversion of pyruvate to acetyl CoA. b. Conversion of succinyl-CoA to succinate c. Conversion of NADH to ATP d. Conversion of phosphoglycerate to phosphoenolpyruvate 2. Describe various mechanisms for regulation of blood glucose. 3. Give an account of β – oxidation of saturated even carbon fatty acid (Palmitic acid) along with the total ATPs obtained.
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?
Consider the typical beta oxidation of linoleic acid (C18:2 ^Δ9, 12): How many ATP are generated in complete oxidation of linoleic acid? How many NADH are generated in complete oxidation of linoleic acid? How many FADH2 are generated in complete oxidation of linoleic acid?
Taking into consideration glycolysis, the pyruvate dehydrogenase complex and the citric acid cycle, how many substrate level phosphorylation events occur from a single molecule of glucose? 6 substrate level phosphorylation events 4 substrate level phosphorylation events 3 substrate level phosphorylation events 2 substrate level phosphorylation events None of the above answers are correct
3. Trace the course of the radioactive label in 2-[14C] glucose through glycolysis and the citric acid cycle. At what points(s) in the cycle will the radioactivity be released as 14CO2? How many turns of the cycle will be required for complete conversion of the radioactivity to CO2? 4. Repeat problem 3 for pyruvate that is 14C-labeled at its methyl group.
Which of the following are required to begin the citric acid cycle? (select all that apply) Group of answer choices pyruvate oxaloacetate Acetyl CoA glucose pyruvate dehydrogenase What are the 2 main types of mechanisms involved in regulating the activity of the pyruvate dehydrogenase complex in response to the state of the cell/organism? (select all that apply) Group of answer choices isomerization hydration allosteric regulation induced fit covalent modification Which of the following are likely to negatively regulate (decrease) the conversion of pyruvate to acetyl CoA? (select all that apply) Group of answer choices High levels of ATP Increased PDH kinase activity Influx of Ca2+ ions Insulin signaling High levels of NADH
Arsenate (HAsO42-) can replace inorganic phosphate (Pi) in the reaction catalyzed by glyceraldehyde 3-phosphate dehydrogenase, causing Glyceraldehyde 3-phosphate to be directly converted to 3-phosphoglycerate (NADH is still formed). If a cell is expose to Arsenate, which of the following metabolites of glycolysis will not be detectable in the cell? 2-phosphoglycerate 3-phosphoglycerate Fructose 6-phosphate Glucose 6-phosphate 1,3-bisphosphoglycerate
12. give one metabolic intermediate that is released as pyruvate is oxidizes by the pyruvate dehydrogenase complex
21. WHICH OF THE FOLLOWING ARE PRODUCTS OF THE CITRIC ACID CYCLE?A. ACETYL COA AND NADHB. CO2 AND FADH2C. ACETYL COA AND CO2D. CO2 AND H20 22. WHICH ARE THE FIRST TWO INTERMEDIATES RESPECTIVELY, IN THE CITRIC ACID CYCLE? A. ISOCITRATE AND SUCCINATEB. ISOCITRATE AND ALPHA-KETOGLUTRATEC. CITRATE AND ISOCITRATED. CITRATE AND ALPHA-KETOGLUTRATE 23. IT IS THE SUM OF ALL THE BIOCHEMICAL REACTIONS THAT TAKES PLACE IN A LIVING ORGANISM?A. ANABOLISMB. METABOLISMC. CATABOLISMD. METABOLIC PATHWAY 24. METABOLIC REACTION IN WHICH LARGE BIOCHEMICAL MOLECULES ARE BROKEN DOWN TO SMALLER ONES?A. CATABOLISMB. METABOLIC PATHWAYC. ANABOLISMD. METABOLISM 25. A METABOLIC REACTION IN WHICH SMALL BIOCHEMICAL MOLECULES ARE JOINED TOGETHER TO FORM LARGER ONES?A. METABOLISMB. CATABOLISMC. METABOLIC PATHWAYD. ANABOLISM
In the complete b-oxidation of stearic acid (18:0) What is the total ATP produced in the citric acid cycle? How many moles of NADH are produced?