The following diagrams illustrate the two aqueous spacesand the inner membrane of a mitochondrion. In whichdiagram is the relative concentration of protons auch thatATP synthesis could occur if ATP synthase were present?(Gold spheres represent protons.)圈圈圈圈圈ABDEOAOBOCODOEintermembrane spaceAnner membranematrie

Cellular respiration is the process by which cells derive energy (ATP) from the bonds of glucose to…

Answered: The following diagrams illustrate the…

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter20: Electron Transport And Oxidative Phosphorylation

Section: Chapter Questions

Problem 20P: Imagine that you are working with isolated mitochondria and you manage to double the ratio of...

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The figure below shows an illustration of a mitochondrian. Mustration of a mitochondrion Which of the following best describes the relationship between the structure and function of the mitochondrion? A B с D The shape of the mitochondrion Increases its material-exchange efficiency by maximiz ing its overall volume relative to its surface area. The double-membrane structure of the mitochondrion allows it to maintain its relatively acidic environment in which nutrients can be digested. The folds of the mitochondrion Inner membrane increase its material-exchange effi- ciency by maximizing its surface area relative to its volume. The specific structure of the mitochondrion Inner membrane allows it to correctly guide the folding of proteins into their functional shape.
The main components of a mitochondrion are: Outer membrane O Thylakoid membrane O Cytosol O Inner membrane Grana O ATP Synthase for chemiosmosis Vacuole O Endoplasmic reticulum Stroma
It is often said, even in some textbooks, thatmitochondria make energy for a cell. Why isthis statement false?
Mitochondria contain anout 1500 different proteins true false
A mitochondrion 1 μm long can travel the 1 meterlength of the axon from the spinal cord to the big toe in aday. The Olympic men’s freestyle swimming record for 200meters is 1.75 minutes. In terms of body lengths per day,who is moving faster: the mitochondrion or the Olympicrecord holder? (Assume that the swimmer is 2 meters tall.)
How are the mitochondrion and the hydrogenosomesimilar structurally? How do they differ? How do theydiffer metabolically?
How much energy is required to pump a mole of protons in a mitochondria with the following conditions? pH of matrix = 8.2, pH of intermembrane space 7.4, membrane potential of - 65 mV (N-side relative to P-side), temperature = 37C. Express answer to the nearest 0.1 kJ/mole.
Consider a 24:1 △cis-9 fatty acid in the mitochondrion. For each fatty acid given, determine the following. Total number of ATP deducted Total net ATP
The mitochondrion pumps H+ from the matrix into the intermembrane space. Which region is more acidic, the matrix or the intermembrane space? Why?
Both H+ and Ca2+ are ions that move through thecytosol. Why is the movement of H+ ions so much fasterthan that of Ca2+ ions? How do you suppose the speed ofthese two ions would be affected by freezing the solution?Would you expect them to move faster or slower? Explainyour answer.
You are studying the process of oxidative phosphorylation in the lab. You isolate several mitochondria from cells and place them in a buffered solution with a low pH and observe that the mitochondria begin to synthesize ATP. Which of the following is the best explanation for this observation? F It increases the conc. of OH-, causing the mitochondria to pump H+ to the intermembrane space. It increases the diffusion of H+ from the mitochondrial matrix to the intermembrane space. It increases the diffusion of H+ from the intermembrane space to the matrix. It increases the conc. of OH- in the mitochondrial matrix.
DRAW IT The graph here showsthe pH difference across theinner mitochondrial membraneover time in an actively respiringcell. At the time indicated by thevertical arrow, a metabolic poisonis added that specifically andcompletely inhibits all function ofmitochondrial ATP synthase. Drawwhat you would expect to see forthe rest of the graphed line, andexplain your graph.

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