1) In glycolysis, what three-carbon molecules are left after the ten enzymatic steps? Group of answer...
1) In glycolysis, what three-carbon molecules are left after the ten enzymatic steps?
Group of answer choices
- pyruvate
- acetyl CoA
- Glucose
- Succinyl CoA
Part 2
In glycolysis, what is the net gain of ATP?
Group of answer choices
- 2
- 4
- 3
- 36
Homework Answers
1. Two molecules of Pyruvate are formed after completion of glycolysis, if oxygen is available the pyruvate is then sent to mitochondria for oxidative phosphorylation,in absence of oxygen lactic acid or alcohol is formed.
2. Glycolysis consumes 2 molecules of ATP and gives 4 molecules back, giving net 2 molecules of ATP along with 2 molecules of NADH,if the glycolysis is aerobic (if oxygen is present) these two molecules of NADH give approximately 3 ATPs each giving a total of 6 more ATP.So, Anaerobic glycolysis gives 2 ATP and Aerobic glycolysisg 8 ATP.
Having said that,the question considers anaerobic glycolysis only so the answer is 2 ATP.
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1) In glycolysis, what three-carbon molecules are left after the
ten enzymatic steps?
Group of answer...
please help me answer questions 27 to 30. thank you 27) Glycolysis converts A) polysaccharides to...
please help me answer questions 27 to 30. thank
you
27) Glycolysis converts A) polysaccharides to glucose B) glucose to pyruvate, which is the metabolized to acetyl Co C) fatty acids to thioesters, which are the metabolized to acetyl COA D) amino acids to ren 20) How much ATP results from the transformation of one glucose molecule to two (2) molecules of acetyl COA? Al 2 ATP molecules B) SATP molecules C) 12 ATP molecules D) 20 ATP molecules 29)...
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...
What is not true about gluconeogenesis? Select one: a. Gluconeogenesis shares seven steps of glycolysis b....
What is not true about gluconeogenesis?
Select one:
a. Gluconeogenesis shares seven steps of glycolysis
b. Three irreversible steps that differ between gluconeogenesis
and glycolysis are far from equilibrium.
c. Forming one glucose from pyruvate produces 4 ATP, 2 GTP and
2NADH
d. Acetyl-CoA can be converted into glucose in plants and
microbes, but not mammals.
e. Gluconeogenesis and glycolysis are reciprocally regulated to
prevent wasteful operation of both pathways at the same time.
D and B are wrong answers...
These molecules are phosphorylated into 2 carbon molecules, which are then dephosphorylated into 2 carbon molecules....
These molecules are phosphorylated into 2 carbon molecules, which are then dephosphorylated into 2 carbon molecules. once ng glycolysis Choices may be used more than The process of glycolysis takes place in the cytoplasm substrate level ATP synthesis eBook G3P Beferences A six carbon glucose molecule is split into 2 three carbon two molecules BPG one These molecules are phosphorylated into 2 carbon molecules, which are then dephosphorylated into 2 carbon molecules 3PG two These molecules are into 2 three...
Select all the metabolites that NEGATIVELY regulate Glycolysis. Group of answer choices Glucose-6-Phosphate Citrate Fructose-2,6-bisphosphate ATP...
Select all the metabolites that NEGATIVELY regulate Glycolysis. Group of answer choices Glucose-6-Phosphate Citrate Fructose-2,6-bisphosphate ATP 2- What are all the metabolites that POSITIVELY regulate Gluconeogeneis? Group of answer choices Fructose-2,6-bisphosphate Acetyl CoA Citrate AMP
Select ALL of the statements that correctly describe the Krebs cycle. A. Pyruvic acid must be...
Select ALL of the statements that correctly describe the Krebs cycle. A. Pyruvic acid must be converted to acetyl CoA prior to entering the cycle B. The molecule oxaloacetic acid picks up the acetyl group from acetylCoA, and in the last step of the cycle, oxaloacetic acid is regenerated. C. Electrons removed during oxidation steps are picked up by NAD or FAD. D. Each turn of the cycle generates one ATP molecule for a total of two per molecule of...
14.An ________ chemical reaction releases energy, whereas an ________ reaction requires an input of energy. Group...
14.An ________ chemical reaction releases energy, whereas an ________ reaction requires an input of energy. Group of answer choices exergonic; endergonic endergonic; exergonic enzymatic; endergonic endergonic; enzymatic equilibrium; exergonic 15. Where does the O2 released during photosynthesis come from? Group of answer choices CO2 H2O ATP C6H12O6 RuBP 20. What happens during chemiosmosis? Group of answer choices glucose is broken down into 2 molecules of pyruvate H+ ions diffuse back into the matrix and are used to form ATP NADH...
FOR BIOCHEMISTRY: 1. The end products of glycolysis are all except ______________ NADH citrate pyruvate Acetyl...
FOR BIOCHEMISTRY: 1. The end products of glycolysis are all except ______________ NADH citrate pyruvate Acetyl CoA 2. What substance is produced by the oxidation of pyruvate and feeds into the citric acid cycle? glucose Acetyl CoA O2 CO2 3. Pyruvate can only oxidize in a presence of oxygen true false 4. Which of the following is Uncharacteristic of ATP? It is formed by attaching a phosphate group to ADP with a high-energy bond When dephosphorylated, ATP becomes ADP It...
13) When a molecule of glucose gets split during the energy investment phase of glycolysis, the...
13) When a molecule of glucose gets split during the energy investment phase of glycolysis, the products are two molecules of that then move to the energy payoff phase. A) Glyceraldehyde-3-phospahte B) Pyruvate C) Acetyl-COA D) NADH 14) Following glycolysis and the citric acid cycle, but before the electron transport chain and oxidative phosphorylation, the carbon skeleton of glucose has been broken down to CO2 with some net gain of ATP. Most of the energy from the original glucose molecule...
1-Select the steps of glycolysis that are downregulated by ATP. Group of answer choices Fru 6-PO4...
1-Select the steps of glycolysis that are downregulated by ATP. Group of answer choices Fru 6-PO4 --> Fru-1,6-PO4 GA-3-P --> 1,3-bisphosphoglycerate Phosphoenol pyruvate --> Pyruvaate Glc --> Glc-6-PO4 2- Which best describes the effect of AMP? Downregulates Glycolysis Upregulates Gluconeogenesis Upregulates Glycolysis Upregulates Gluconeogenesis & Downregulates Glycolysis Downregulates Gluconeogenesis Downregulates Gluconeogenesis & Upregulates Glycolysis
please help me answer questions 27 to 30. thank
you
27) Glycolysis converts A) polysaccharides to glucose B) glucose to pyruvate, which is the metabolized to acetyl Co C) fatty acids to thioesters, which are the metabolized to acetyl COA D) amino acids to ren 20) How much ATP results from the transformation of one glucose molecule to two (2) molecules of acetyl COA? Al 2 ATP molecules B) SATP molecules C) 12 ATP molecules D) 20 ATP molecules 29)...
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...
What is not true about gluconeogenesis?
Select one:
a. Gluconeogenesis shares seven steps of glycolysis
b. Three irreversible steps that differ between gluconeogenesis
and glycolysis are far from equilibrium.
c. Forming one glucose from pyruvate produces 4 ATP, 2 GTP and
2NADH
d. Acetyl-CoA can be converted into glucose in plants and
microbes, but not mammals.
e. Gluconeogenesis and glycolysis are reciprocally regulated to
prevent wasteful operation of both pathways at the same time.
D and B are wrong answers...
These molecules are phosphorylated into 2 carbon molecules, which are then dephosphorylated into 2 carbon molecules. once ng glycolysis Choices may be used more than The process of glycolysis takes place in the cytoplasm substrate level ATP synthesis eBook G3P Beferences A six carbon glucose molecule is split into 2 three carbon two molecules BPG one These molecules are phosphorylated into 2 carbon molecules, which are then dephosphorylated into 2 carbon molecules 3PG two These molecules are into 2 three...
13) When a molecule of glucose gets split during the energy investment phase of glycolysis, the products are two molecules of that then move to the energy payoff phase. A) Glyceraldehyde-3-phospahte B) Pyruvate C) Acetyl-COA D) NADH 14) Following glycolysis and the citric acid cycle, but before the electron transport chain and oxidative phosphorylation, the carbon skeleton of glucose has been broken down to CO2 with some net gain of ATP. Most of the energy from the original glucose molecule...
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