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cellular respiration process phases of cellular respiration glycolysis citric acid cycle e, Exams of Nursing

Devry University - MichiganNursing

cellular respiration process phases of cellular respiration glycolysis citric acid cycle electron transport chain cytosol glycolysis location glycolysis energy release Krebs cycle location mitochondrial matrix Krebs cycle

Typology: Exams

2024/2025

Available from 06/18/2025

Prof.Humphrey
Prof.Humphrey 🇺🇸

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BIO 181 Exam 2
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1. What are the 3 phases of the cellular respiration process?: glycolysis, the citric acid
cycle, and the electron transport chain
2. Where in the cell does the glycolysis part of cellular respiration occur?: the cytosol
3. What is the glycolysis part of cellular respiration's purpose?: A molecule of glucose is split
to release energy
4. Where in the cell does the Krebs (Citric Acid) cycle part of cellular respira- tion occur?:
the mitochondrial matrix
5. What is the Krebs' cycle purpose?: generates a pool of chemical energy, generating 1
ATP, 3 NADH and 1 FADH2
6. Where in the cell does the electron transport part of cellular respiration occur?:
across the inner membrane of the mitochondria
7. What is the electron transport's purpose in the cellular respiration?: pro- duces 32
ATP
8. How many ATP are made in the glycolysis part of cellular respiration?: 4
9. How many ATP are made in the Kreb's cycle part of cellular respiration?: 1
10. How many ATP are made in the electron transport part of cellular respira- tion?: none
11. In which phase of cellular respiration is carbon dioxide made?: Kreb's cycle (citric acid
cycle)
12. What are NAD+ and FAD?: function as electron carriers
13. What do NAD+ and FAD do and what do they become?: Carry and donate the
electrons to the Electron Transport chain, they become NAD+ and FAD again and return
to the Kreb's cycle.
14. In which phase of cellular respiration is water made?: Electron Transport Chain
15. What would happen to the cellular respiration process if the enzyme (aka catalyst) for
one step of the process was missing or defective?: The process would stop and no more
products would be made
16. During cellular respiration, which stage does not produce ATP via sub- strate-level
phosphorylation?: chemiosmosis
17. With regards to glycolysis, what is the most important molecule that is generated?:
pyruvate
18. Briefly describe how ATP synthase generates ATP.: ATP synthesis is a protein
complex that is essentially a proton-driven rotary motor that produces ATP from ADP and
Pi. ATP serves energy currency of the cell and can be though of as an available source of
chemical energy.
19. What is the final electron acceptor in cellular respiration?: oxygen
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Download cellular respiration process phases of cellular respiration glycolysis citric acid cycle e and more Exams Nursing in PDF only on Docsity!

  1. What are the 3 phases of the cellular respiration process?: glycolysis, the citric acid cycle, and the electron transport chain
  2. Where in the cell does the glycolysis part of cellular respiration occur?: the cytosol
  3. What is the glycolysis part of cellular respiration's purpose?: A molecule of glucose is split to release energy
  4. Where in the cell does the Krebs (Citric Acid) cycle part of cellular respira- tion occur?: the mitochondrial matrix
  5. What is the Krebs' cycle purpose?: generates a pool of chemical energy, generating 1 ATP, 3 NADH and 1 FADH
  6. Where in the cell does the electron transport part of cellular respiration occur?: across the inner membrane of the mitochondria
  7. What is the electron transport's purpose in the cellular respiration?: pro- duces 32 ATP
  8. How many ATP are made in the glycolysis part of cellular respiration?: 4
  9. How many ATP are made in the Kreb's cycle part of cellular respiration?: 1
  10. How many ATP are made in the electron transport part of cellular respira- tion?: none
  11. In which phase of cellular respiration is carbon dioxide made?: Kreb's cycle (citric acid cycle)
  12. What are NAD+ and FAD?: function as electron carriers
  13. What do NAD+ and FAD do and what do they become?: Carry and donate the electrons to the Electron Transport chain, they become NAD+ and FAD again and return to the Kreb's cycle.
  14. In which phase of cellular respiration is water made?: Electron Transport Chain
  15. What would happen to the cellular respiration process if the enzyme (aka catalyst) for one step of the process was missing or defective?: The process would stop and no more products would be made
  16. During cellular respiration, which stage does not produce ATP via sub- strate-level phosphorylation?: chemiosmosis
  17. With regards to glycolysis, what is the most important molecule that is generated?: pyruvate
  18. Briefly describe how ATP synthase generates ATP.: ATP synthesis is a protein complex that is essentially a proton-driven rotary motor that produces ATP from ADP and Pi. ATP serves energy currency of the cell and can be though of as an available source of chemical energy.
  19. What is the final electron acceptor in cellular respiration?: oxygen
  1. Where in the cell does chemiosmosis occur and what is its purpose?- : mitochondria or chloroplast, movemnet of ions across a selectively permeable membrane.
  2. Where does oxidative phosphorlation occur in the cell and what is its purpose?: Inner membrane. Create ATP
  3. Aerobic: relating to, involving, or requiring free oxygen.
  4. Anaerobic: relating to, involving, or requiring an absence of free oxygen.
  5. cellular respiration: The series of metabolic processes by which living cells produce energy through the oxidation of organic substances.
  6. Fermentation: is a metabolic process that converts sugar to acids, gases or alcohol. It occurs in yeast and bacteria, but also in oxygen-starved muscle cells, as in the case of lactic acid fermentation.
  7. Catabolic Pathway: A series of metabolic reactions leading to breakdown of a complex organic molecule to a simpler ones, with release of energy.
  8. Anabolic Pathway: is the set of metabolic pathways that construct molecules from smaller units. These reactions require energy.
  9. Kinetic Energy: The energy possessed by a body because of its motion, equal to one half the mass of the body times the square of its speed.
  10. Potential Energy: the energy, existing in a body by virtue of its position or state of existence, which is not being exerted at the time.
  11. Exergonic Reaction: proceeds with a net release of free energy and is sponta- neous (-”G)
  12. Endergonic Reaction: absorbs free energy from its surrounding and is non spontaneous (+”G)
  13. Explain how ATP performs cellular work: ADP is combined with a phosphate to form ATP in the reaction ADP+Pi+free energy’ATP+H2O. The energy released from the hydrolysis of ATP into ADP is used to perform cellular work, usually by coupling the exergonic reaction of ATP hydrolysis with endergonic reactions.
  14. Enzyme: are biological molecules (proteins) that act as catalysts and help complex reactions occur everywhere in life
  15. Endomembrane system: A membrane network within the cytoplasm of cells involved in the synthesis, modification, and transport of cellular materials.
  16. Nuclear envelope: The double-layered membrane enclosing the nucleus of a cell.
  17. Endoplasmic reticulum: A membrane network within the cytoplasm of cells involved in the synthesis, modification, and transport of cellular materials.
  18. Golgi apparatus: is found in most cells. It is another packaging organelle like the endoplasmic reticulum (ER).
  1. catabolism: the metabolic breakdown of complex molecules into simpler ones, often resulting in a release of energy.
  2. How are fermentation and cellular respiration similar and different?: Sim- ilarity: Fermentation and respiration are ways that organisms make energy by breaking down glucose into energy. Difference: Fermentation takes place in the absence of oxygen, while repression requires oxygen.