Table of Contents
- 1 How many ATP are produced by glucose in substrate-level phosphorylation?
- 2 How much ATP is produced by substrate-level phosphorylation and oxidative phosphorylation?
- 3 How many ATP are produced by substrate level phosphorylation in EMP pathway when one molecule of glucose is used as a substrate?
- 4 How does 1 glucose produce 36 38 ATP?
- 5 How many ATP molecules are formed by oxidative phosphorylation from NADH?
- 6 How many ATP are produced during glycolysis?
- 7 How many ATP are produced from glucose in fermentation?
How many ATP are produced by glucose in substrate-level phosphorylation?
Two ATP molecules are required to start glycolysis (from glucose), and four are generated by substrate-level phosphorylation. An additional two NADH molecules are generated, which can be used to generate another three to five ATP molecules through the electron transport chain in the mitochondria.
How much ATP is produced by substrate-level phosphorylation and oxidative phosphorylation?
This process utilizes the oxidation of NADH to NAD+, yielding 3 ATP, and of FADH2 to FAD, yielding 2 ATP.
How many ATP molecules are produced from one molecule of glucose as it breaks down at the substrate level?
In summary, one molecule of glucose produces two net ATPs (two ATPs were used at the beginning; four ATPs were produced through substrate-level phosphorylation), two molecules of NADH + 2H+, and two molecules of pyruvate. Glycolysis also produces a number of key precursor metabolites, as shown in Figure 18.3A.
How much ATP can be generated by substrate level phosphorylation from the complete oxidation of 1 molecule of glucose during the citric acid cycle?
The theoretical maximum yield of ATP for the oxidation of one molecule of glucose during aerobic respiration is 38. In terms of substrate-level phosphorylation, oxidative phosphorylation, and the component pathways involved, briefly explain how this number is obtained.
How many ATP are produced by substrate level phosphorylation in EMP pathway when one molecule of glucose is used as a substrate?
At the end of the EMP pathway, 1 mol of glucose is converted to 2 mol of pyruvate, which can be used for further catabolism or for biosynthesis. It also yields 2 mol of ATP and 2 mol of NADH (which must be reoxidized for the pathway to continue operating).
How does 1 glucose produce 36 38 ATP?
As a result, between 1 and 2 ATP are generated from these NADH. In eukaryotic cells, the theoretical maximum yield of ATP generated per glucose is 36 to 38, depending on how the 2 NADH generated in the cytoplasm during glycolysis enter the mitochondria and whether the resulting yield is 2 or 3 ATP per NADH.
How can we get 38 ATP from 1 glucose molecule in mitochondria during cellular respiration?
Biology textbooks often state that 38 ATP molecules can be made per oxidized glucose molecule during cellular respiration (2 from glycolysis, 2 from the Krebs cycle, and about 34 from the electron transport system).
How many ATP are generated in production of 4 glucose molecules?
36 ATP
4 ATP, 36 ATP.
How many ATP molecules are formed by oxidative phosphorylation from NADH?
When electrons from NADH move through the transport chain, about 10 H +start superscript, plus, end superscript ions are pumped from the matrix to the intermembrane space, so each NADH yields about 2.5 ATP.
How many ATP are produced during glycolysis?
Substrate-level phosphorylation of 1 glucose molecule will yield 4 ATP during glycolysis. However, it requires an input of 2 ATP, so the actual net yield is 2 ATP. The products of glycolysis are two molecules of pyruvate. Two molecules of pyruvate will go through oxidation to produce two Acetyl CoA molecules, yielding another 2 ATP total.
How many ATP are produced by chemiosmosis?
Chemiosmosis produces about 28 ATP, but none of those are produced by substrate-level phosphorylation. That’s a total of 6 ATP, per staring glucose, that are produced by substrate-level phosphorylation. For 5 molecules of glucose, the answer should be 30 ATP.
How is ATP formed in the mitochondria?
In the mitochondria, this released energy is used to combine ADP (Adenosine Di-Phosphate, a two Phosphate molecule) and another Phosphate radical, to form the ATP (Ademosine triphosphate). Actually, the 38 molecules of ATP are not formed by the reaction of glucose with oxygen.
How many ATP are produced from glucose in fermentation?
The ATP generated in this process is made by substrate-level phosphorylation, which does not require oxygen. Fermentation is less efficient at using the energy from glucose: only 2 ATP are produced per glucose, compared to the 38 ATP per glucose nominally produced by aerobic respiration.