8. Respiration

Types of Phosphorylation

Compare and contrast substrate-level phosphorylation and oxidative phosphorylation.

Substrate-Level Phosphorylation

6.2: ATP - Energy Currency of the Cell and Types of Phosphorylation.

 No. Use of sunlight to generate ATP is a part of photosynthesis, not glycolysis. 

 Transport of electrons through a series of carriers 

 No. Glycolysis does make some ATP, but not in association with electron carriers. 

Transfer of electrons and hydrogen atoms to NAD+

No. The reduction of NAD+ does not directly make ATP.

Attachment of a free inorganic phosphate (Pi) group to ADP to make ATP

No. Free Pi is not the source of the phosphate that is added to ADP to make ATP in glycolysis.

 Transfer of a phosphate group from a fragment of glucose to ADP by substrate-level phosphorylation 

Review the events of glycolysis.

A small amount of ATP is made in glycolysis by which of the following processes?

The final electron acceptor of the electron transport chain that functions in aerobic oxidative phosphorylation is
a. oxygen.
b. water.
c. NAD+.
d. pyruvate.

Which type of phosphorylation synthesizes ATP using an enzyme that transfers a phosphate group to ADP?a) Adaptive Phosphorylation.&nbsp;b) Oxidative Phosphorylation.&nbsp;c) Substrate-level Phosphorylation.d) Product-level Phosphorylation.

5: Substrate Level Phosphorylation | Biological Oxidation | Biochemistry | N'JOY Biochemistry

3: Oxidative Phosphorylation | Biological Oxidation | Biochemistry | N'JOY Biochemistry

Electron Transport Chain and Chemiosmosis.

Substrate-level phosphorylation is utilized to create ATP in which steps of aerobic cellular respiration?a) Electron Transport Chain and Chemiosmosis.b) Glycolysis and Pyruvate Oxidation.c) Pyruvate Oxidation and Krebs cycle.d) Glycolysis and Krebs cycle.

Mechanisms of ATP formation ll Substrate Level Phosphorylation ll Examples

 No. During glycolysis, glucose is metabolized into two molecules of pyruvate with a net yield of only two ATP. 

 No. It is the oxidation of NADH that produces most of the ATP in cellular respiration. 

 No. ATP synthesis by this mechanism occurs in glycolysis and the citric acid cycle, but it accounts for only a small amount of the total ATP made in respiration. 

No. A little ATP is produced in the citric acid cycle, but the most important products are the reduced electron carriers NADH and FADH2.

Think of the three major groups of reactions in cellular respiration.

Most of the ATP produced in cellular respiration comes from which of the following processes?

Oxidative Phosphorylation

The immediate energy source that drives ATP synthesis by ATP synthase during oxidative phosphorylation is the
a. oxidation of glucose and other organic compounds.
b. flow of electrons down the electron transport chain.
c. H+ concentration gradient across the membrane holding ATP synthase.
d. transfer of phosphate to ADP.

 No. This is the net ATP production by substrate-level phosphorylation during glycolysis. 

 No. Remember that one molecule of glucose produces two pyruvates and each pyruvate turns the citric acid cycle once. 

 No. Remember, the question is asking specifically about substrate-level phosphorylation. 

 No. This is approximately how many ATP are produced from substrate-level phosphorylation and oxidative phosphorylation 

Substrate-level phosphorylation occurs during both glycolysis and the citric acid cycle.

How many molecules of ATP are gained by substrate-level phosphorylation from the complete breakdown of a single molecule of glucose in the presence of oxygen?

Glycolysis: substrate level phosphorylation

The largest amount of ATP made by cellular respiration is created by the process of ______________, in the _____________ steps of aerobic cellular respiration.a) Substrate-level phosphorylation; first.b) Oxidative phosphorylation; first.c) Oxidative phosphorylation; final.d) Substrate-level phosphorylation; final.

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2. Chemistry

3. Water

4. Biomolecules

5. Cell Components

6. The Membrane

7. Energy and Metabolism

9. Photosynthesis

10. Cell Signaling

11. Cell Division

12. Meiosis

13. Mendelian Genetics

14. DNA Synthesis

15. Gene Expression

16. Regulation of Expression

17. Viruses

18. Biotechnology

19. Genomics

20. Development

21. Evolution by Natural Selection

22. Evolution of Populations

23. Speciation

24. History of Life on Earth

25. Phylogeny

26. Prokaryotes

27. Protists

28. Plants

29. Fungi

30. Overview of Animals

31. Invertebrates

32. Vertebrates

33. Plant Anatomy

34. Vascular Plant Transport

35. Soil

36. Plant Reproduction

37. Plant Sensation and Response

38. Animal Form and Function

39. Digestive System

40. Circulatory System

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42. Osmoregulation and Excretion

43. Endocrine System

44. Animal Reproduction

45. Nervous System

46. Sensory Systems

47. Muscle Systems

48. Ecology

49. Animal Behavior

50. Population Ecology

51. Community Ecology

52. Ecosystems

53. Conservation Biology

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