With each reaction cycle, the Na,K-ATPase hydrolyzes 1ATP, and pumps O 3 K+ ions out, and 2 Na+ ions in O 2 Na+ ions out, and 3 K+ ions in O 3 Na+ ions out, and 2 K+ ions in 1 Na+ ion out, and 1 K+ ion in 1 K+ ion out, and 1 Na+ ion in 2 K+ ions out, and 3 Na+ ions in Question 5 Which of the following characteristics distinguish active transport as different from passive transport? O unidirectional O highly specific for unique substrate insert positively charged amino acids into the hydrophobic core of the lipid membrane require ATP hydrolysis

With each reaction cycle, the Na,K-ATPase hydrolyzes 1ATP, and pumps O 3 K+ ions out, and 2 Na+ ions in O 2 Na+ ions out, and 3 K+ ions in O 3 Na+ ions out, and 2 K+ ions in 1 Na+ ion out, and 1 K+ ion in 1 K+ ion out, and 1 Na+ ion in 2 K+ ions out, and 3 Na+ ions in Question 5 Which of the following characteristics distinguish active transport as different from passive transport? O unidirectional O highly specific for unique substrate insert positively charged amino acids into the hydrophobic core of the lipid membrane require ATP hydrolysis

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter2: Cell Physiology

Section: Chapter Questions

Problem 3SQE

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Similar questions

What is the advantage of using ATP as a common energy source?Another way of asking this question is, “Why does ATP provide anadvantage over using a bunch of different food molecules?” For example,instead of just having a Na+/K+-ATPase in a cell, why not have manydifferent ion pumps, each driven by a different food molecule, like aNa+/K+-glucosase (a pump that uses glucose), a Na+/K+-sucrase (a pumpthat uses sucrose), a Na+/K+-fatty acidase (a pump that uses fatty acids),and so on?
What is the enzymatic activity of sodium-potassium ATPase (pump)? binds to and hydrolyzes ATP; binds to 3 Na+ in cytoplasm and releases outside cell; binds to 2 K+ outside cell and releases into cytoplasm binds to and hydrolyzes ATP; binds to 2 Na+ in cytoplasm and releases outside cell; binds to 3 K+ outside cell and releases into cytoplasm binds to and hydrolyzes GTP; binds to 3 Na+ in cytoplasm and releases into nucleus; binds to 2 K+ inside cell and releases into lysosome binds to and hydrolyzes 3 ATP; binds to 1 Na+ in cytoplasm and releases outside cell; binds to 1 K+ outside cell and releases into cytoplasm
Compared to NADH, NAD is a ____ molecule. If the Na/K pump stopped working, there would be an immediate and temporary net____ in cellular ATP . Select one: a. Oxidized, decrease b. Oxidized, increase c. Reduced, decrease d. Reduced, increase
A 75 kg person doing light work requires about 3000 kcal of food energy perday, 40% of which is actually used by the body’s cells. (The other 60% is lostas heat and in waste products.) Before being used by the cells, effectively allof this energy is stored in ATP, which is then cleaved into ADP and PO3−2 , with the release of 12.5 kcal per mole of ATP.(a) How many moles of ATP are turned over per day in this fashion? Whatmass of ATP does this correspond to? (The molecular weight of ATP is507 g/mol.)(b) The body actually contains approximately 5 g ATP. Estimate the averagerecycle time for an ATP molecule. You see that it is much more efficientto reuse ADP rather than to synthesize it de novo (from scratch).
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 gradient
What is the direct source of energy that powers molecular motors? proton gradient H+ gradient hydrolysis of GTP hydrolysis of ATP
A(n) _________ reaction converts glycerol to glycerol 3-phosphate. This reaction requires __________. Blank 1 options- Oxidation-reduction Hydrolysis Isomerization Group transfer Internal rearrangement Blank 2 options- ATP & a kinase ADP & a kinase ATP and a phosphatase ADP and a phosphatase
In the modern aerobic cell, the most important product of the proton pump is a) protons b) O2 c) ATP d) CO2 e) NADH f) glucose
Under a normal metabolic rate which of the following compounds is the most energy rich? FADH2. Glucose-6-phospate. ATP. NADH. GTP.
Which of the following statements concerning ATP synthesis is NOT true? a. The open conformation of the ATP synthase is for releasing ATP. b. The gamma subunit in the stalk responds to the flow of H+ and rotates the assembly counterclockwise and thus change the conformations of the active site to synthesize ATP. c. The tight conformation of the ATP synthase is for converting ADP and phosphate to ATP. d. The loose conformation of the ATP synthase is for binding ADP and phosphate. e. Ten protons are required to catalyze the rotation of the subunits so that one ATP is synthesized. Clear my choice
NADH and succinate are substrates that can be oxidized and will consume oxygen. Rotenone and cyanide are inhibitors of the electron transport chain and can block oxidation. Match each description of the effector to the appropriate oxygen consumption. A plot may match more than one description. Some plots will not match any description. (At least one of the matches in the image was incorrect)
Which of the following is NOT true of ATP? ATP is renewable ATP holds energy ATP in nonrenewable ATP is generated via Oxidative Phosphorylation