Biochemistry: The Molecular Basis of Life
6th Edition
ISBN: 9780190209896
Author: Trudy McKee, James R. McKee
Publisher: Oxford University Press
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Chapter 2, Problem 3Q
Summary Introduction
To review:
The estimate of the average mass of a mitochondrion, considering the fact that mitochondria occupy 20% of the volume in the human body and there are 1
Introduction:
The mitochondria aredouble-membraned cell organelles, which act as the main site for the aerobic
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It has been estimated that mitochondria occupy 20% of the volume in the human body. For a 70- kg adult, the average number of mitochondria has been estimated to be 1 × 10 (10,000 trillion). Using this information, provide a rough estimate of the average mass of a mitochondrion.
Describe in general terms the structural makeup of a mitochondrion.
Imagine that you develop a procedure to measure the pH of in the matrix and the intermembrane space of a mitochondrion. What pattern of pH would you see?
The pH in the intermembrane space will contain more H+ and have a lower pH compared to the matrix.
The pH in the intermembrane space will contain more H+ and have a higher pH compared to the matrix.
The pH within the matrix will contain more H+ and have a lower pH compared to the intermembrane space.
The pH within the matrix will contain more H+ and have a higher pH compared to the intermembrane space.
Chapter 2 Solutions
Biochemistry: The Molecular Basis of Life
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biochemistry and related others by exploring similar questions and additional content below.Similar questions
- How many ATP molecules are made when 40 protons flow from the intermembrane space to the matrix in healthy human mitochondria?arrow_forwardDescribe the structure of a mitochondrion.arrow_forwardThe mitochondrion pumps H+ from the matrix into the intermembrane space. Which region is more acidic, the matrix or the intermembrane space? Why?arrow_forward
- What is the structure of a mitochondrion?arrow_forwardSketch the double-membrane system of the mitochondrion and show where electron transfer chains and ATP synthases are located.arrow_forwardWhat is the total number of H+ transferred from matrix to intermembrane space of the mitochondria by complexes I, II and III for every 2 electrons movement? What would be the total amount of ATP synthesized (explain)?arrow_forward
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