Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 7, Problem 12RQ
Chemiosmosis involves.
- the movement of electrons across the cell membrane
- the movement of hydrogen atoms across a mitochondrial membrane
- the movement of hydrogen ions across a mitochondrial membrane
- the movement of glucose through the cell membrane
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Students have asked these similar questions
Which of the following processes take place in the cytoplasm? (Select all that applies)
Krebs Cycle
Glycolysis
Electron Transport Chain
PDH mechanism
FA synthesis
Beta oxidation
Which of the following are examples of catabolism?
a. Structural proteins are assembled to provide support to a cell
b. Viral DNA is disassembled in a lysosome
c. Glucose is broken down to create ATP
d. Glucose molecules are linked together to create glycogen
Which of the following can diffuse most easily through the cell membrane?
H2O
Propane (CH3CH2CH3)
Na+
glycerol (CH2OH-CHOH-CH2OH)
Chapter 7 Solutions
Biology 2e
Ch. 7 - Figure 7.11 Dinitrophenol (DNP) is an "uncoupler"...Ch. 7 - Figure 7.12 Cyanide inhibits cytochrome c oxidase,...Ch. 7 - (Figure 7.14) Tremetol, a metabolic poison found...Ch. 7 - The energy currency used by cells is ATP ADP AMP...Ch. 7 - A reducing chemical reaction. reduces the compound...Ch. 7 - During the second half of glycolysis, what occurs?...Ch. 7 - What is removed from pyruvate during its...Ch. 7 - What do the electrons added to NAD+ do? They...Ch. 7 - GTP or ATP is produced during the conversion of...Ch. 7 - How many NADU molecules are produced on each turn...
Ch. 7 - What compound receives elections from NADH? FMN...Ch. 7 - Chemiosmosis involves. the movement of electrons...Ch. 7 - Which of the following fermentation methods can...Ch. 7 - A major connection for sugars in glycolysis is...Ch. 7 - Beta-oxidation is. the breakdown of sugars the...Ch. 7 - The effect of high levels of ADP is to__inv __...Ch. 7 - The control of which enzyme exerts the most...Ch. 7 - Why is it beneficial for cells to use ATP rather...Ch. 7 - Nearly all organisms on Earth carry out some form...Ch. 7 - Because they lose their mitochondria during...Ch. 7 - What is the primary difference between a circular...Ch. 7 - How do the roles of ubiquinone and cytochrome c...Ch. 7 - What accounts for the different number of ATP...Ch. 7 - What is the primary difference between...Ch. 7 - Would you describe metabolic pathways as...Ch. 7 - How does citrate from the citric acid cycle affect...Ch. 7 - Why might negative feedback mechanisms be more...
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- Which of the following is NOT an example of anabolism? DNA replication in the nucleus Protein synthesis at the ribosome Condensation reactions Hydrolysis of starch in the mouth Glycogen formation in the liverarrow_forwardA total of 4 protein complexes are used in the electron transport chain. These proteins are localized in what specific part of the mitochondria? intermembrane space outer membrane Matrix inner membranearrow_forwardDenitrification occurs under: anaerobic conditions aerobic conditions both aerobic and anaerobic conditionsarrow_forward
- Transport of a substance across membranes that requires no direct input of energy is referred to as _____________ transport.arrow_forwardChemiosmosis is used to generate ________ of the ATP from aerobic glucose catabolism. 30 percent 30 percent 60 percent 60 percent 90 percent 90 percentarrow_forwardWhich of the following BEST describes the function of the electron transport system? Energy absorbed by the cytochromes in the system is converted to ATP. The system functions to produce ATP by chemiosmosis in the absence of oxygen. Energy lost from high-energy electrons causes the oxidation of glucose. Energy lost from high-energy electrons results in ATP production by chemiosmosis.arrow_forward
- What are four benefits of anaerobic glycolysis in tumor cells? https://www.nature.com/articles/s41598-019-40617-3#Tab1arrow_forwardThe disease that is being talked about below is: Fumarase Deficiency Describe how the steps of metabolism are affected by the disease. Describe the effects on the patient. Describe what organelle is affected. Describe the end result on ATP count. Describe potential treatments for the disease.arrow_forwardWhere is the proton concentration high in the mitochondria? Intermembrane space Matrix Stroma Granaarrow_forward
- Which of the following statements describes the end step for the electron transport chain? A. H+ ions flow down the gradient to generate ATP B. electrons are transferred to NADH and FADH2 for chemiosmosis C. electrons are transferred to oxygen, causing it to split and take up H+ ions, which form water D. H+ are pumped across the inner membrane of mitochondria to establish an electrochemical gradientarrow_forwardDuring chemiosmosis, ATP synthase ____________________. Select all that apply produces ATP in the mitochondrial matrix allows H+ to cross the inner membrane via facilitated diffusion generates water from oxygen and electrons in the mitochondrial matrix pumps H+ against its concentration gradient into the intermembrane spacearrow_forwardWhich membrane function makes them able to accommodate the electron transport chain at the inner membrane of the mitochondrion? responding to external signals selectively permeable barrier scaffold for biochemical activities compartmentalizationarrow_forward
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