Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 6, Problem 4MCQ
Summary Introduction
Introduction:
Mitochondria are bounded by two membranes: inner and outer membrane. The space between the two membranes is called intermembrane compartment and the space is filled with fluid called mitochondrial matrix. The inner mitochondrial membrane is the site where the proteins of the electron transport system and ATP synthase is present.
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Students have asked these similar questions
Which statement about the ATP synthase is false?
a. It is a rotary machine
b. It is located in the inner mitochondrial membrane
c. It can make ATP, or it can break ATP down
d. It only contains membrane-embedded regions
Why is oxygen important in aerobic cellular respiration?
a. Without oxygen, the Citric acid cycle will be disrupted
b. Oxygen is the final electron acceptor during the electron transport chain
c. they produce carbon dioxide and water
d. It provides electrons during cellular respiration
Which metabolic pathway is common to both cellular respiration and fermentation of a
glucose molecule?
A. the citric acid cycles
B. the electron transport chain
C. synthesis of acetyl CoA from pyruvate
D. glycolysis
Chapter 6 Solutions
Biology: Concepts and Investigations
Ch. 6.1 - Why do all organisms need ATP?Ch. 6.1 - What are the three general ways to generate ATP...Ch. 6.1 - Prob. 3MCCh. 6.1 - Prob. 4MCCh. 6.2 - Prob. 1MCCh. 6.2 - What occurs in each of the three stages of...Ch. 6.3 - Prob. 1MCCh. 6.3 - Prob. 2MCCh. 6.4 - Prob. 1MCCh. 6.4 - Prob. 2MC
Ch. 6.4 - Prob. 3MCCh. 6.5 - Prob. 1MCCh. 6.5 - Prob. 2MCCh. 6.5 - Prob. 3MCCh. 6.5 - Prob. 4MCCh. 6.6 - Prob. 1MCCh. 6.6 - How does the actual ATP yield compare to the...Ch. 6.7 - Prob. 1MCCh. 6.7 - Prob. 2MCCh. 6.8 - Prob. 1MCCh. 6.8 - Prob. 2MCCh. 6.8 - Prob. 3MCCh. 6.9 - Prob. 1MCCh. 6.9 - Why must the first metabolic pathways have been...Ch. 6.9 - What is the evidence that photosynthesis may have...Ch. 6.10 - What hypothesis were the researchers testing, and...Ch. 6.10 - Prob. 2MCCh. 6 - Which of the following best describes aerobic...Ch. 6 - Which stage in cellular respiration produces the...Ch. 6 - What is the role of ATP synthase? a. It uses ATP...Ch. 6 - Prob. 4MCQCh. 6 - Prob. 5MCQCh. 6 - What is endosymbiosis? a. A type of fermentation...Ch. 6 - Respiration contains the Latin word root spiro,...Ch. 6 - All steps of cellular respiration are closely...Ch. 6 - How might a mitochondrion's double membrane make...Ch. 6 - Health-food stores sell a product called pyruvate...Ch. 6 - At what point does O2 enter the energy pathways of...Ch. 6 - Describe the energy pathways that are available...Ch. 6 - Prob. 7WIOCh. 6 - Describe how aerobic respiration occurs in...Ch. 6 - Prob. 9WIOCh. 6 - Explain the fact that species as diverse as humans...Ch. 6 - Prob. 11WIOCh. 6 - Prob. 1PITCh. 6 - Prob. 2PITCh. 6 - Prob. 3PITCh. 6 - Where would fermentation, anaerobic respiration,...
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- Which molecule does not form during glycolysis? a. NADH c. oxygen (O2) b. pyruvate d. ATParrow_forwardWhat happens as electrons move down the electron transport chain? A. their energy is used to pump hydrogen ions across the mitochondrial inner membrane B. they produce carbon dioxide and water C. the electrons are combined with ADP and phosphate to form ATP D. their energy is used to pump sodium ions across the mitochondrial inner membranearrow_forwardHow many NADH2 molecules are formed in cytoplasm when a glucose molecule is completely oxidised? a.2 b.6 c.3 d.1arrow_forward
- Which stage in cellular respiration produces the most ATP? a. Glycolysis c. Krebs cycle b. Pyruvate oxidation d. Electron transportarrow_forwardWhy is the formation of ATP by ATP synthase referred to as oxidative phosphorylation? A. A phosphate is transferred from oxygen to ADP to form ATP B. Oxygen provides the mechanical energy that is used to create ATP from ADP C. Oxygen is the final electron acceptor in the electron transport chain, which creates the proton gradient necessary to power ATP synthase D. ADP combines with oxygen to form ATParrow_forwardAfter radioactive carbon was fed into the citric acid cycle, where might it be found? A. ATP B. NADH C. Carbon Dioxide D. Proton Gradientarrow_forward
- During the aerobic cellular respiration, where do ATP molecules form? a. Cytosol only b. Cytosol and mitochondria only c. Cytosol, mitochondria and ribosomes only d. Mitochondrial matrix and inner mitochondrial membrane onlyarrow_forwardWhich stage of cellular respiration DOES NOT produce NADH? A. oxidative phosphorylation B. pyruvate oxidation C. glycolysis D. Krebs cyclearrow_forwardWhere in the cell does glycolysis occur? A. on the outer mitochondrial membrane B. in the endoplasmic reticulum C. in the cytoplasm D. in the fluid of the mitochondriaarrow_forward
- Which process does not generate CO2? A. the citric acid cycle B. the conversion of pyruvate to lactic acid C. the conversion of pyruvate to acetyl-CoA D. the conversion of pyruvate to ethanolarrow_forwardWhich of the given process does not occur in mitochondria? a.Formation of acetyl CoA b.Oxidation of NADH + Ht c.Citric acid formation d.Conversion of pyruvic acid to acetaldehydearrow_forwardWhich process of aerobic respiration produces the majority of ATP? a. Pyruvate oxidation b. Glycolysis c. Oxidative phosphorylation d. Citric acid cyclearrow_forward
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