BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 6, Problem 2MCQ
Summary Introduction
Introduction:
Glycolysis is a universal metabolic pathway that splits glucose into three-carbon pyruvate molecules, and all glycolytic reactions occurs in cell’s cytosol. After glycolysis, pyruvate enters into the mitochondrial matrix, where a preliminary transition step oxidizes each pyruvate molecule, producing acetyl CoA which then combines with four-carbon molecule in a process called Krebs cycle. This cycle generates CO2, NADH, FADH2, and ATP which enters into the electron transport chain in the inner mitochondrial membrane.
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Students have asked these similar questions
Which step of the cellular respiration pathway can take place in the absence of oxygen?
A.Glycolysis
B.Kreb’scycle
C.Electron transport chain
D.Fermentation
Which stage of cellular respiration DOES NOT produce NADH?
A. oxidative phosphorylation
B. pyruvate oxidation
C. glycolysis
D. Krebs cycle
Your friend is researching cellular respiration in eukaryotes. When you visit their lab, you recognize that they are specifically looking in the cytosol. Which process of cellular respiration is your friend likely focusing their research on?
a.
Glycolysis
b.
Pyruvate oxidation
c.
Chemiosmosis
d.
Citric acid cycle
Chapter 6 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 6.1 - Prob. 1MCCh. 6.1 - Prob. 2MCCh. 6.1 - Prob. 3MCCh. 6.2 - Prob. 1MCCh. 6.2 - Prob. 2MCCh. 6.3 - Prob. 1MCCh. 6.3 - Prob. 2MCCh. 6.4 - Prob. 1MCCh. 6.4 - Prob. 2MCCh. 6.5 - Prob. 1MC
Ch. 6.5 - How does the Krebs cycle generate CO2, ATP, NADH,...Ch. 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 - Which of the following best describes aerobic...Ch. 6 - Prob. 2MCQCh. 6 - Prob. 3MCQCh. 6 - Prob. 4MCQCh. 6 - Prob. 5MCQCh. 6 - Prob. 6MCQCh. 6 - The CO2 produced in respiration comes mainly from...Ch. 6 - Prob. 8MCQCh. 6 - Prob. 9MCQCh. 6 - Prob. 1WIOCh. 6 - Prob. 2WIOCh. 6 - Prob. 3WIOCh. 6 - Prob. 4WIOCh. 6 - Prob. 5WIOCh. 6 - Prob. 6WIOCh. 6 - Prob. 7WIOCh. 6 - Prob. 8WIOCh. 6 - Prob. 9WIOCh. 6 - Prob. 10WIOCh. 6 - Prob. 1SLCh. 6 - Add the locations of each stage of respiration to...Ch. 6 - Prob. 2PITCh. 6 - Prob. 3PITCh. 6 - Prob. 4PIT
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- If you ran a molecule through each of these processes, when would the MOST reduced carbon compound be found? A. Start of glycolysis B. Start of electron transport chain C. End of chemiosmosis D. End of citric acid cyclearrow_forwardGlucose is converted to pyruvate in which stage of cellular respiration? a. glycolysis b. intermediate stage c. citric acid cycle d. electron transport systemarrow_forwardHow will the cell shift its metabolic processes in response to the level of pyruvate and in order to produce ATP? A. It will shift from aerobic respiration to fermentation B. It will shift from aerobic respiration to anaerobic respiration C.It will continue with aerobic metabolism using oxygen in the cytosol to make ATP D. It will shift from anaerobic respiration to fermentationarrow_forward
- During glycolysis, pyruvate oxidation, and the citric acid cycle, NADH is produced. The citric acid cycle also produces FADH2. What is the purpose of these molecules? a. to produce carbon dioxide to breathe out b. to produce oxygen that is needed for the electron transport chain c. to carry electrons to the electron transport chain d. to provide the ADP and phosphate that are needed to make ATParrow_forwardWhich of the following reactions is aerobic and recycles NAD+molecules?a. glycolosis c. electron transport chainb. citric acid cycle d. fermentationarrow_forwardWhy 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 respirationarrow_forward
- In an anaerobic environment, facultative anaerobes use what kind of pathway to produce ATP? A.Krebs cycle and fermentation b.Glycolysis and fermentation c.Photosynthesis and the Calvin Benson cycle d. Krebs cycle and oxidative phosphorylation Why is free oxygen toxic to obligate anaerobes? A.They produce catalase and superoxide dismutase. B.They use fermentation pathways rather than oxidative phosphorylation to produce ATP. C.They do not produce the right enzymes to degrade oxygen radicals. D.They cannot use oxygen as the final electron acceptor in respiration. You are subculturing an obligate anaerobe from a tube of thioglycolate media. How far down do you dip the inoculating loop to retrieve the bacteria? A.All the way to the bottom of the media. B.Just into the top of the media C.Anywhere in the media is fine. D.Into the middle of the mediaarrow_forwardWhich of the takes place during oxidative phosphorylation in mitochondria? a. protons are pumped from the matrix to the intermembrane space b. protons are pumped from the intermembrane space to the matrix c. electrons are pumped from the matrix to the intermembrane space d. electrons are pumped from the intermembrane space to the matrix e. NADH is pumped from the matrix to the intermembrane spacearrow_forward1. cellular respiration A. the first step of cellular respiration that takes place in the cytoplasm and produces a net of 2 molecules of ATP for every one molecule of glucose 2. glycolysis 3. aerobic respiration B. the general type of cellular respiration that occurs when no oxygen is present 4. anaerobic respiration 5. mitochondrion C. general process that breaks down glucose to produce ATP 6. Krebs cycle D. the type of anaerobic respiration that occurs in animal cells E. the general type of cellular respiration that occurs in the mitochondria when oxygen is available to a cell 7. alcoholic fermentation 8. electron transport chain F. the step in aerobic respiration that produces 36 molecules of ATP for every one molecule of glucose 9. lactic acid fermentation G. the type of anaerobic respiration that occurs in plant cells H. the step in aerobic respiration that produces 2 molecules of ATP for every one molecule of glucose I. the cell organelle where aerobic respiration takes placearrow_forward
- Which do the electron transport chains of mitochondria and chloroplasts have in common? A. oxygen as an electron donor B. water as an electron acceptor C. use of a hydrogen ion gradient D. one main membrane protein pumparrow_forwardwhat is the transmembrane protein responsible for ATP synthesis during both photosynthesis and cellular respiration? a. Na+/K+ ATPase b. SGLUT-1 c. ATP synthase d. carbonic anhydrase e. rubiscoarrow_forwardWhat fundamental difference sets apart anaerobic respiration from aerobic respiration? a. Anaerobic respiration does not have Krebs Cycle. b. Anaerobic respiration does not have an electron transport chain. c. Anaerobic respiration involves substrate-level phosphorylation only. d. Anaerobic respiration utilizes electronegative compounds such as nitrates as final electron acceptor.arrow_forward
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Anaerobic Respiration; Author: Bozeman Science;https://www.youtube.com/watch?v=cDC29iBxb3w;License: Standard YouTube License, CC-BY