BIOLOGY 2E
2nd Edition
ISBN: 9781506699851
Author: OpenStax
Publisher: XANEDU PUBLISHING
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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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Classify the following into either activation processes or inhibitions processes.
Process
Phosphorylation of a transport protein (i.e. pump)
The binding of a substrate molecule at the active site of
an enzyme
The binding of a molecule at the active site of an
enzyme, but in place of the substrate
The allosteric binding of ATP to the
phosphofructokinase
(an enzyme part of glycolysis)
. Diatomic oxygen (O2) exhibits which of the following membrane transport movements?
A. it is not able to cross the membrane by passive transport, because it is big, polar, and inorganic
it is not able to cross the membrane by active transport, because it is big, polar, and inorganic
it is able to cross the membrane by facilitated diffusion, because it is small, polar, and organic
it is able to cross the membrane by active transport, because it is big, nonpolar, and organic
it is able cross the membrane by simple diffusion, because it is small, nonpolar, and inorganic
*Explain the term chemiosmosis and include a detailed description of this process
of creating ATP (ADP - ATP - ADP).
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- All of these are true with the Sodium Potassium pump except: 1. A type of primary active transport 2. Requires use of carrier proteins 3. Transport process that pumps three sodium ions towards outside the cell and pumps one potassium ion towards inside the cell 4. The process involves splitting ATP into phospate and ADP to liberate high energy phosphate bond of energyarrow_forwardThe proton motive force is made as an example of what type of molecular movement? Facilitated (gated) Facilitated (channel) Active Passivearrow_forwardThis is not graded.arrow_forward
- Which of the following is NOT one of the three forms of stored biological energy interconverted in chemiosmosis? O Photorespiration O Energy stored in chemical gradients across membranes O Chemical bond energy O Energy stored in electrical gradients across membranesarrow_forwardWhat would be the effect on ATP production during chemiosmosis and oxidative phorphorylation, if the pH within the inner membrane space of the mitochondrion were decreased, assuming no effect of pH on the structure of proteins in the membrane? a) it would increase b) it would decrease c)it would stay the samearrow_forwardSecondary active transport directly uses ATP for the energy needed to function is a form of diffusion utilizing no energy uses a calcium concentration difference for energy uses an ion concentration difference for energyarrow_forward
- Explain.arrow_forwardMitochondrion inner membrane outer compartment inner compartment Electron transport chain ATP synthesis outer compartment inner 5 membrane NADH NAD ATP synthase inner compartment ADP + P ATParrow_forwardThe sodium/potassium ATPase pump hydrolyzes one molecule of ATP in order to transport: two potassium ions into the cytoplasm, and three sodium ions to the exterior three sodium ions into the cytoplasm, and two potassium ions to the exterior two sodium ions into the cytoplasm, and three potassium ions to the exterior three potassium ions into the cytoplasm, and two sodium ions to the exterior two sodium ions to the exterior, and three potassium ions into the cytoplasmarrow_forward
- A cell's energy is used in the process of: osmosis active transport diffusion passive transportarrow_forwardGlucose (C6H12O6) exhibits which of the following membrane transport movements? it is able to cross the membrane by facilitated diffusion, because it is small, polar, and organic it is not able to cross the membrane by passive transport, because it is big, polar, and inorganic it is able cross the membrane by simple diffusion, because it is small, nonpolar, and inorganic it is not able to cross the membrane by active transport, because it is big, polar, and inorganic it is able to cross the membrane by active transport, because it is big, nonpolar, and organic 10. A red blood cell that displays a biconcave disc shape must be in which of the following solutions? hypertonic solution distilled water isotonic solution ocean water hypotonic solutionarrow_forwardWhich one of the following best describes the electron transport chain? Electrons are passed from one carrier to another releasing a little energy at each step Electrons are pumped across a membrane by active transport Glucose is broken down to a three-carbon compound in preparation for the citric acid cycle Hydrogen atoms are added to CO2 to make an energy-rich compound Acetyl CoA is fully oxidized to CO2arrow_forward
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