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Which of the following statements is/are not trueA) One ATP molecule yields 32 kJ of energy B. P…
Which of the following statements is/are not trueA) One ATP molecule yields 32 kJ of energy B. P…
Which of the following statements is/are not trueA) One ATP molecule yields 32 kJ of energy B. P…
2.31: Anaerobic and Aerobic Respiration [1]
Oxygen is the final electron acceptor at the end of the electron transport chain of aerobic respiration. In the absence of oxygen, only a few ATP are produced from glucose
This type of respiration is useful today because the atmosphere is now 21% oxygen. However, some anaerobic organisms that evolved before the atmosphere contained oxygen have survived to the present
A major advantage of aerobic respiration is the amount of energy it releases. Without oxygen, organisms can split glucose into just two molecules of pyruvate
7.13: Oxidative Phosphorylation – ATP Yield [2]
ese atoms were originally part of a glucose molecule. At the end of the pathway, the electrons are used to reduce an oxygen molecule to oxygen ions
The amount of energy (as ATP) gained from glucose catabolism varies across species and depends on other related cellular processes.. Describe the origins of variability in the amount of ATP that is produced per molecule of glucose consumed
– The number of hydrogen ions the electron transport chain complexes can pump through the membrane varies between species.. – NAD+ provides more ATP than FAD+ in the electron transport chain and can lead to variance in ATP production.
Q. 18.98 Which of the following molecules… [FREE SOLUTION] [3]
Which of the following molecules will produce the most ATP per mole?. or fumarate in one turn of the citric acid cycle.” width=”9″ style=”max-width: none;” localid=”1653324895609″>
We need to find that they will produce the most ATP per mole between glucose or stearic acid .. Here, stearic is a saturated fatty acid and carboxylic acid consisting of carbon atoms
So, we write the calculation for the production as:. The stearic acid will produce more compared to glucose.
Cellular respiration [4]
This article needs additional citations for verification. Cellular respiration is the process by which biological fuels are oxidised in the presence of an inorganic electron acceptor, such as oxygen, to drive the bulk production of adenosine triphosphate (ATP), which contains energy
The reactions involved in respiration are catabolic reactions, which break large molecules into smaller ones, producing large amounts of energy (ATP). Respiration is one of the key ways a cell releases chemical energy to fuel cellular activity
Although cellular respiration is technically a combustion reaction, it is an unusual one because of the slow, controlled release of energy from the series of reactions.. Nutrients that are commonly used by animal and plant cells in respiration include sugar, amino acids and fatty acids, and the most common oxidizing agent is molecular oxygen (O2)
4.3 Citric Acid Cycle and Oxidative Phosphorylation – Concepts of Biology – 1st Canadian Edition [5]
4.3 Citric Acid Cycle and Oxidative Phosphorylation. – Describe the location of the citric acid cycle and oxidative phosphorylation in the cell
– Describe the relationships of glycolysis, the citric acid cycle, and oxidative phosphorylation in terms of their inputs and outputs.. In eukaryotic cells, the pyruvate molecules produced at the end of glycolysis are transported into mitochondria, which are sites of cellular respiration
In mitochondria, pyruvate will be transformed into a two-carbon acetyl group (by removing a molecule of carbon dioxide) that will be picked up by a carrier compound called coenzyme A (CoA), which is made from vitamin B5. Acetyl CoA can be used in a variety of ways by the cell, but its major function is to deliver the acetyl group derived from pyruvate to the next pathway in glucose catabolism.
ATP Yield from Glucose Catabolism [6]
Cellular respiration produces 30 – 32 ATP per glucose molecule. Although most of the ATP results from oxidative phosphorylation and the electron transport chain (ETC), 4 ATP are gained beforehand (2 from glycolysis and 2 from the citric acid cycle).
NADH and FADH2 pass electrons to these complexes, which pump protons into the intermembrane space. This distribution of protons generates a concentration gradient across the membrane
For every two electrons that NADH passes through complex I, a total of 10 protons are pumped: complex I and complex III each pump 4 protons, while complex IV pumps 2 protons. Complex II is not involved in the electron chain initiated by NADH
Lesson Explainer: Oxidative Phosphorylation [7]
In this explainer, we will learn how to describe the process of oxidative phosphorylation and recall the products formed.. Cellular respiration is a universal biological process
This energy is stored in the form of ATP, a small molecule in cells that provides an easily accessible and almost always available source of energy for essential reactions and processes.. Cellular respiration is a process in living organisms through which carbon-containing compounds (such as glucose) are broken down to release energy in the form of ATP.
Cellular respiration can be divided into four main sequential stages: glycolysis, the link reaction, the Krebs cycle (also referred to as the citric acid cycle), and oxidative phosphorylation (also referred to as the electron transport chain). Oxidative phosphorylation is the final stage of cellular respiration and is the stage that generates the largest amount of ATP.
Biology for Majors I [8]
Identify the reactants and products of cellular respiration and where these reactions occur in a cell. Now that we’ve learned how autotrophs like plants convert sunlight to sugars, let’s take a look at how all eukaryotes—which includes humans!—make use of those sugars.
Then, both plants and consumers, such as animals, undergo a series of metabolic pathways—collectively called cellular respiration. Cellular respiration extracts the energy from the bonds in glucose and converts it into a form that all living things can use.
– Describe the process of pyruvate oxidation and identify its reactants and products. – Describe the process of the citric acid cycle (Krebs cycle) and identify its reactants and products
Electron Transport Chain and Oxidative Phosphorylation [9]
The drug, DNP, destroys the H+ gradient that forms in the electron transport chain. If the proton gradient of the electron transport chain were to be destroyed, the cell would need to perform cellular respiration without an electron transport chain
Example Question #1 : Electron Transport Chain And Oxidative Phosphorylation. Given a healthy individual with a normal metabolic rate, which of the following compounds is the most energy rich?
During oxidative phosphorylation (the electron transport chain), each 1 ATP is produced for each GTP, 2 ATP are produced for each FADH2, and 3 ATP are produced for each NADH.. Example Question #2 : Electron Transport Chain And Oxidative Phosphorylation
Sources
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Book%3A_Introductory_Biology_(CK-12)/02%3A_Cell_Biology/2.31%3A_Anaerobic_and_Aerobic_Respiration#:~:text=Aerobic%20respiration%20produces%20much%20more%20ATP%20than%20anaerobic%20respiration.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Book%3A_General_Biology_(Boundless)/07%3A_Cellular_Respiration/7.13%3A_Oxidative_Phosphorylation_-_ATP_Yield
- https://www.studysmarter.us/textbooks/chemistry/an-introduction-to-general-organic-and-biological-chemistry-13th-edition/metabolic-pathways-and-atp-production/q-1898-which-of-the-following-molecules-will-produce-the-mos/
- https://en.wikipedia.org/wiki/Cellular_respiration
- https://opentextbc.ca/biology/chapter/4-3-citric-acid-cycle-and-oxidative-phosphorylation/
- https://www.jove.com/science-education/11008/atp-yield
- https://www.nagwa.com/en/explainers/316181371908/
- https://courses.lumenlearning.com/suny-wmopen-biology1/chapter/cellular-respiration/
- https://www.varsitytutors.com/mcat_biology-help/electron-transport-chain-and-oxidative-phosphorylation
