Which one of the following statements about glucose metabolism is correct? A. Prokaryotes do not perform...
Which one of the following statements about glucose metabolism
is correct?
A. Prokaryotes do not perform Krebs cycle for respiration.
B. Krebs cycle involves the breakdown of a molecule of pyruvate
into 6 CO2, 8 NADH, 2 FADH2, and 2 GTP
molecules.
C. The enzyme that catalyzes the addition of phosphate molecules to
ADP in order to make ATP is called a kinase.
D. In both glycolysis and Krebs cycle, the energy released from the
breakdown of molecules is being harnessed by the oxidation of NAD+
to NADH.
E. The first step in "Phase 2" of cellular respiration involves the
reduction of pyruvate into acetyl-S-CoA.
Homework Answers
- C. The enzyme that catalyzes the addition of phosphate molecules to ADP in order to make ATP is called a kinase.
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Which one of the following statements about glucose metabolism
is correct?
A. Prokaryotes do not perform...
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Metabolism...
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Metabolism and Cellular Respiration Refer to Figure below as a guide to answer the folloaing questions Acetyt CoA Oxaloacetic acid CoA NADH Citric acid NAD Isocitric acid Malic acid Fumaric acid NAD co NADH -FADH FAD+ a-Ketoglutaric acid Succinic acid CO2NAD ATP Succinyl CoA ADP P NADH Figure above. Starting with citric acid and ending with oxaloacetic acid, how many ATP 6) Refer to molecules...
This is a biochemistry question i need answers to 6-12 What is the purpose of fermentation...
This is a biochemistry question i need answers to 6-12
What is the purpose of fermentation of pyruvate to lactate or ethanol? to produce additional ATP to provide a precursor for lactose synthesis to regenerate NAD* for glycolysis to prevent pyruvate from entering the TCA cycle none of the above Pyruvate kinase catalyzes what reaction? conversion of phosphoenol-pyruvate to pyruvate phosphorylation of pyruvate to 3-phosphoglycerate conversion of pyruvate to acetaldehyde and CO_2 conversion of pyruvate to lactate conversion of pyruvate...
5 1 point Select all the molecules below that are reactants at some point of cellular...
5 1 point Select all the molecules below that are reactants at some point of cellular respiration. A reactant is a molecule that you would find at the start of a process. OFADH2 0 ADP Glucose Water NAD Oxygen Acetyl-CoA NADH OOOOOOOOOO ATP Co-enzyme A (COA) Inorganic phosphate (P) Carbon dioxide Pyruvate
LEARNING CHECK EXERCISE 1. Fill in the following tables: Table 8.3 FROM 1 GLUCOSE MOLECULE GLYCOLYSIS...
LEARNING CHECK EXERCISE 1. Fill in the following tables: Table 8.3 FROM 1 GLUCOSE MOLECULE GLYCOLYSIS PYRUVATE OXIDATION KREBS CYCLE What goes in (substrate): No. of ATP produced 2 (1x2) 2 2 - 22{1x2) 6 (3x2) No. of NADH produced No. of FADH, produced - 2 (2x2) CO, produced Table 8.4 ARE THE COMPOUNDS LISTED HERE USED OR PRODUCED IN: GLYCOLYSIS? KREBS CYCLE? OXIDATIVE PHOSPHORYLATION? Glucose CO HO ATP used ADP + P NADH NAD Laboratory Modeling Cellular Respiration and...
In glycolysis, one glucose molecule yields pyruvates, ATP and NADH. Depending on the system used to...
In glycolysis, one glucose molecule yields pyruvates, ATP and NADH. Depending on the system used to shuttle the electrons from NADH into mitochondria, these NADH become NADH or FADH2. Converting the pyruvate(s) into acetyl-CoA's produces 2 NADH. One pyruvate/Two pyruvates pass(es) through the citric acid cycle starting with acetyl-CoA produces GTP, FADH2, and NADH. In the electron transport chain, each FADH2 generates ATP and each NADH ATP.
Which of the following is not a net product of the citric acid cycle for each...
Which of the following is not a net product of the citric acid cycle for each molecule of pyruvate generated in glycolysis? Select one: a. 1 ATP (GTP) b. 1 acetyl coA c. 3 NADH d. 1 FADH2 Question 2 Which of the following is NOT an end product for an acetyl group that enters the citric acid cycle? Select one: a. ATP b. NADH c. FADH2 d. oxaloacetate Question 3 Once they have been processed through the citric acid...
Which of the following statements is not true? Glycolysis produces most of the ATP required by...
Which of the following statements is not true? Glycolysis produces most of the ATP required by aerobic organisms like us Glycolysis produces pyruvate, which is consumed by the Krebs cycle Glycolysis occurs in the cytosol of the cell Glycolysis is the first stage of cellular respiration • The Krebs cycle reactions Takes place in the cytoplasm Converts glucose to pyruvate Generate ATP with the help of an enzyme complex called ATP synthase Yield ATP, NADH, and FADH2 • Which of...
From the information in Chapter 8 on metabolism and Appendix A, we can see the multiple...
From the information in Chapter 8 on metabolism and Appendix A, we can see the multiple metabolic pathways involved in generating ATP from the breakdown of the nutrients glucose, protein and fats. Glycolysis generates pyruvate, the pyruvate then becomes Acetyl CoA, which enters the Krebs Cycle (TCA), products of the Krebs Cycle then enter the Electron Transport Chain (ETC) where ATP is the final product. Fat breakdown (beta-oxidation) also generates Acetyl CoA, which then enters the Krebs Cycle to produce...
Question 5 1 pts What is the main purpose of the Kreb's cycle (also known as...
Question 5 1 pts What is the main purpose of the Kreb's cycle (also known as the TCA or Citric Acid cycle) To produce ATP from the energy stored in acetyl-CoA To oxidize pyruvate and produce NAD and FADH2 To recycle NADH for use back in glycolysis To produce carbon dioxide by the reduction of pyruvate To produce NADH/FADH2 from the oxidation of acetyl-CoA
Question 3 1 pts How many of the molecules below are products of glycolysis? ATP ADP...
Question 3 1 pts How many of the molecules below are products of glycolysis? ATP ADP NADH Pyruvate Acetyl-CoA CO2 FADH2 Water Oxygen Glucose FADH NAD
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Metabolism and Cellular Respiration Refer to Figure below as a guide to answer the folloaing questions Acetyt CoA Oxaloacetic acid CoA NADH Citric acid NAD Isocitric acid Malic acid Fumaric acid NAD co NADH -FADH FAD+ a-Ketoglutaric acid Succinic acid CO2NAD ATP Succinyl CoA ADP P NADH Figure above. Starting with citric acid and ending with oxaloacetic acid, how many ATP 6) Refer to molecules...
This is a biochemistry question i need answers to 6-12
What is the purpose of fermentation of pyruvate to lactate or ethanol? to produce additional ATP to provide a precursor for lactose synthesis to regenerate NAD* for glycolysis to prevent pyruvate from entering the TCA cycle none of the above Pyruvate kinase catalyzes what reaction? conversion of phosphoenol-pyruvate to pyruvate phosphorylation of pyruvate to 3-phosphoglycerate conversion of pyruvate to acetaldehyde and CO_2 conversion of pyruvate to lactate conversion of pyruvate...
5 1 point Select all the molecules below that are reactants at some point of cellular respiration. A reactant is a molecule that you would find at the start of a process. OFADH2 0 ADP Glucose Water NAD Oxygen Acetyl-CoA NADH OOOOOOOOOO ATP Co-enzyme A (COA) Inorganic phosphate (P) Carbon dioxide Pyruvate
LEARNING CHECK EXERCISE 1. Fill in the following tables: Table 8.3 FROM 1 GLUCOSE MOLECULE GLYCOLYSIS PYRUVATE OXIDATION KREBS CYCLE What goes in (substrate): No. of ATP produced 2 (1x2) 2 2 - 22{1x2) 6 (3x2) No. of NADH produced No. of FADH, produced - 2 (2x2) CO, produced Table 8.4 ARE THE COMPOUNDS LISTED HERE USED OR PRODUCED IN: GLYCOLYSIS? KREBS CYCLE? OXIDATIVE PHOSPHORYLATION? Glucose CO HO ATP used ADP + P NADH NAD Laboratory Modeling Cellular Respiration and...
In glycolysis, one glucose molecule yields pyruvates, ATP and NADH. Depending on the system used to shuttle the electrons from NADH into mitochondria, these NADH become NADH or FADH2. Converting the pyruvate(s) into acetyl-CoA's produces 2 NADH. One pyruvate/Two pyruvates pass(es) through the citric acid cycle starting with acetyl-CoA produces GTP, FADH2, and NADH. In the electron transport chain, each FADH2 generates ATP and each NADH ATP.
Which of the following statements is not true? Glycolysis produces most of the ATP required by aerobic organisms like us Glycolysis produces pyruvate, which is consumed by the Krebs cycle Glycolysis occurs in the cytosol of the cell Glycolysis is the first stage of cellular respiration • The Krebs cycle reactions Takes place in the cytoplasm Converts glucose to pyruvate Generate ATP with the help of an enzyme complex called ATP synthase Yield ATP, NADH, and FADH2 • Which of...
Question 5 1 pts What is the main purpose of the Kreb's cycle (also known as the TCA or Citric Acid cycle) To produce ATP from the energy stored in acetyl-CoA To oxidize pyruvate and produce NAD and FADH2 To recycle NADH for use back in glycolysis To produce carbon dioxide by the reduction of pyruvate To produce NADH/FADH2 from the oxidation of acetyl-CoA
Question 3 1 pts How many of the molecules below are products of glycolysis? ATP ADP NADH Pyruvate Acetyl-CoA CO2 FADH2 Water Oxygen Glucose FADH NAD
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