2. Draw and label a diagram that shows a mitochondria, including components of the electron transportchain, NADH and FADH2 entering the electron transport chain, where protons are being pumped (and howmany), how protons are entering the mitochondrial matrix, and how ATP is made.

Electron transport chain: It is a series of protein complexes that transfer electrons from electron…

Answered: 2. Draw and label a diagram that shows…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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3. Draw the structures of glucose, pyruvate, and acetyl coenzyme A; number (label) the carbons in each. Glucose Pyruvate Acetyl-CoA 4. Assuming a typical mitochondrial matrix has a volume of about 5x10-¹4mL. If the pH of the matrix is 7, report the number of hydrogen ions contained in the matrix. ANSWER 5. Glucose may be used to produce pyruvate or stored. Under what circumstances would glucose be stored?
Part 3: Disrupting the ETC Several conditions or chemicals can eliminate the H* gradient in the mitochondria. One condition is cyanide poisoning. Cyanide binds to Complex IV in the electron transport chain (see figure 3 below) and prevents the binding of oxygen. This blocks the flow of electrons through the ETC. Cyanide acts like a road block on a highway. Electron transport chain ATP synthase Intermembrane space Inner mitochondrial- membrane NADH NAD + (H+ (H+) Mitochondrial matrix H+ (H+ FADH₂ FAD (H+) (H+) H+ (H+ (H+ (H+ Cyt c (H+ O H (H+ (H+ 2 electrons 1/2 of 2 free hydrogen exiting ETC an O₂ ions H+ (H+ (H+ (H+ - H₂0 x2 H* (H+) ADP + PO, (H+ H+ (H+ molecule Figure 3: Oxidative Phosphorylation and Chemiosmosis ATPO https://upload.wikimedia.org/wikipedia/commons/2/27/2508 The Electron Transport Chain.jpg OpenStax College, CC BY 3.0 , via Wikimedia Commons 13. If electrons are not flowing through the electron transport chain, how will the proton concentration in the intermembrane…
6. Which of the following components of the mitochondrial electron transport chain is the only one to be considered a peripheral protein? the cytochrome a-a3 complex the cytochrome c oxidase complex coenzyme Q (ubiquinone) the cytochrome b-c1 complex cytochrome c
2
Which statements below reflect differences between the electron transport chain (ETC) that operates on the thylakoid membrane and that on the inner mitochondrial membrane? Choose ALL that are true -The ETC on the thylakod contrians only one protein that pumps protons across the membrane, while that on the mitochondrial membrane contains 3. -The ETC on the mitochondrial membrane uses ATP synthase, while the ETC on the thylakod does not. -The final electron acceptor in the mitochondrial ETC is oxygen, while the final electron acceptor in the thylakoid ETC is NADP+ -A proton motive force is generated only across the inner mitochondrial membrane but not acorss the tnylakoid membrane.
10. In ATP synthase, the ____ subunit is the site of ATP synthesis while the ____ subunit forms the proton channel through the inner mitochondrial membrane.
5. Electron transport chain ATPS made H2O made NADH and FADH2 molecules dump their electrons onto membrane of the mitochondria called the the matrix of the mitochondria. This creates a proton gradient. The electrons are then passed from one protein to another and is then accepted by embedded in the inner The protons are then pumped outside and combined with H+ to make ATP synthase allows H- to get back in the matrix of the mitochondria which releases energy. This energy is used to make
The proton motive force is a result of ________. the flow of protons within the inner mitochondrial membrane a combination of an electrical potential and a chemical potential the flow of electrons from the matrix to the inner membrane space all of the above Oxidative phosphorylation requires all of the items listed below except... a terminal electron acceptor which is O2 in mitochondria. a matrix more positively charged than the intermembrane space. the flow of electrons from NADH and QH2 in the membrane. enzyme complexes embedded in a membrane. ATP synthase in the correct position in the membrane
1. Describe the steps by which the transport of electrons down the respiratory chain leads to the formation of a proton gradient.
Cyanide is a poisonous substance. Cyanide is a cytochrome c oxidase inhibitor that is competitive. The last enzyme of the electron transport chain in mitochondria is cytochrome c oxidase. One of the most common substrates for cytochrome c oxidase is oxygen.Would an increase in the concentration of oxygen affect the inhibitioncaused by cyanide?How would conditions in the mitochondrial intermembrane spacechange if cytochrome c oxidase and the electron transport chain are notfunctioning properly.. Explain why this change in conditions will be harmful to a cell.
.I have 22 mitochondrial genes that changed significantly, and 10 vesicular transport genes- does that mean mitochondrial pathways are more affected than vesicular transport? What information am I missing?
Under typical conditions, how many protons are pumped across the mitochondrial intermembrane for each molecule of NADH that is oxidized (assuming its electrons are passed all the way to O2 by the respiratory chain)? 1. 1 2. 6 3. 10 4. 100

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2. Draw and label a diagram that shows a mitochondria, including components of the electron transport chain, NADH and FADH2 entering the electron transport chain, where protons are being pumped (and how many), how protons are entering the mitochondrial matrix, and how ATP is made.