FUNDAMENTALS OF BIOCHEM.-NEXTGEN ACCESS
FUNDAMENTALS OF BIOCHEM.-NEXTGEN ACCESS
5th Edition
ISBN: 9781119661450
Author: Voet
Publisher: WILEY
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Chapter 18, Problem 1E
Summary Introduction

To explain: The reason why a liver cell mitochondrion has fewer cristae than a mitochondrion from a heart muscle cell.

Concept introduction: Mitochondrion is the active of oxidative phosphorylation and electron transport chain and found in all eukaryotes. ATP, the source of energy is gained by the oxidative phosphorylation and electron transport chain in mitochondria.

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Explanation: The mitochondrion is a cell organelle with outer and inner membrane made of lipid bilayer. The inner membrane projects into the matrix of the mitochondria called as cristae. On the cristae, lie all the complexes involved in electron transport chain. The cristae help to increase the surface area for the proteins. Liver cells require less energy (ATP) than heart cells that constantly are active as part of involuntary functioning. The liver’s function increases only post digestion or when there is a blood glucose alteration level. Therefore, heart muscle cells have more cristae in their inner mitochondrial membrane than liver cells for increased ATP production.

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Chapter 18 Solutions

FUNDAMENTALS OF BIOCHEM.-NEXTGEN ACCESS

Ch. 18 - Prob. 11ECh. 18 - 12. Under certain conditions, cytochrome c can...Ch. 18 - 13. Some anaerobic prokaryotes use nitrate (NO3?)...Ch. 18 - 14. Some anaerobic prokaryotes reduce elemental...Ch. 18 - Prob. 15ECh. 18 - Prob. 16ECh. 18 - 17. Bombarding a suspension of mitochondria with...Ch. 18 - 18. For the experimental system described in...Ch. 18 - 19. Consider the mitochondrial ADP-ATP...Ch. 18 - 20. What thermodynamic force drives the transport...Ch. 18 - Prob. 21ECh. 18 - Prob. 22ECh. 18 - 23. Explain why compounds such as DNP increase...Ch. 18 - 24. What is the advantage of hormones activating a...Ch. 18 - 25. Describe the changes in [NADH]/[NAD+] and...Ch. 18 - 26. During cell signaling events that increase...Ch. 18 - 27. Activated neutrophils and macrophages (types...Ch. 18 - 28. Mutations in SOD arc associated with the...Ch. 18 - Prob. 29CQCh. 18 - 30. Sketch the O2-consuntption curves obtained for...Ch. 18 - Prob. 31CQCh. 18 - 32. For the mitochondrial membrane described in...Ch. 18 - 33. Nicotinamide nucleotide transhydrogenase (NNT)...Ch. 18 - 34. The antidiabetes drug metformin inhibits...Ch. 18 - 35. How do the P/O ratios for NADH differ in ATP...Ch. 18 - 36. How many protons are required to synthesize...Ch. 18 - 37. During dietary restriction, amino acids may be...Ch. 18 - Prob. 38CQCh. 18 - 39. In coastal marine environments, high...Ch. 18 - Prob. 40CQCh. 18 - 41. (a) A simplistic interpretation of the Q cycle...Ch. 18 - Prob. 42CQCh. 18 - MORE TO EXPLORE Anaerobic organisms produce ATP by...
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