BIOLOGY: LIFE ON EARTH-W/MASTERING ACCE
2020th Edition
ISBN: 9780135686553
Author: Audesirk
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 2MC
The portion of glucose breakdown that produces the most ATP is
a. chemiosmosis.
b. glycolysis.
c. the Krebs cycle.
d. fermentation.
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NAD+ is regenerated duringa. glycolysis.b. fermentation.c. the Krebs cycle.d. the formation of acetyl-CoA.
Which of these statements is true?
a.Glycolysis is the process that builds glucose.
b. Cellular respiration requires light to complete the process
c. Lactic acid fermentation provides energy when oxygen is present.
d. Carbon dioxide is produced during respiration.
Which of the following statements is/are FALSE about glycolysis?
A. It is an anaerobic process.
B. Some steps occur in cytosol, others in mitochondria.
C. It is the conversion of glucose to lactate or ethanol.
D. It is the 1st stage of glucose metabolism.
Chapter 8 Solutions
BIOLOGY: LIFE ON EARTH-W/MASTERING ACCE
Ch. 8 - Which of the following is True for one glucose...Ch. 8 - 2. The portion of glucose breakdown that produces...Ch. 8 - Prob. 3MCCh. 8 - Prob. 4MCCh. 8 -
5. Which of the following is produced in the...Ch. 8 - Prob. 1FTBCh. 8 - 2. Conditions in which oxygen is absent are...Ch. 8 - Prob. 3FTBCh. 8 - During cellular respiration, the electron...Ch. 8 -
5. The cyclic portion of cellular respiration is...
Ch. 8 - Starting with glucose (C6H12O6), write the overall...Ch. 8 - Draw and label a mitochondrion, and explain how...Ch. 8 -
3. What role do the following play in breaking...Ch. 8 -
4. Outline the two major stages of glycolysis....Ch. 8 - What molecule is the end product of glycolysis?...Ch. 8 -
6. Describe the electron transport chain and the...Ch. 8 - Why is oxygen necessary for cellular respiration...Ch. 8 -
8. Compare the structure of chloroplasts...Ch. 8 - Some species of bacteria use aerobic respiration,...Ch. 8 - Prob. 2ACCh. 8 - Prob. 3ACCh. 8 - Some species of bacteria that live at the surface...
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- Which of the following reactions is the most exergonic? a Conversion of PEP to Pyruvate b Conversion of Glucose-6-phosphate to Glucose c All of the reactions are equally exergonic. d Hydrolysis of ATParrow_forwardWhich 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 regionsarrow_forwardWhich two processes lead directly to the production of large amounts of ATP by the enzyme ATP synthase? A. The electron transport chain B. Fermentation C. The Krebs cycle D. Glycolysis It needs two answer there can be two answer alsoarrow_forward
- Glucose is converted to pyruvate in which stage of cellular respiration? a. glycolysis b. intermediate stage c. citric acid cycle d. electron transport systemarrow_forwardMOST readily usable energy made from one glucose molecule is directly synthesized in A. fermentation B. the electron transport chain C. the Cori cycle D. the Krebs cycle E. glycolysisarrow_forwardThe metabolic process that produces the most ATP molecules isa. glycolysis.b. the citric acid cycle.c. the electron transport chain.d. fermentation.arrow_forward
- The final net products of ________ are 2 molecules of ATP and 2 NADH. a. pyruvate oxidation b. the citric acid cycle c. glycolysisarrow_forwardwrite an essay to Compare the processes of glycolysis and gluconeogenesis under the following headings: (A) Starting/end products of each process; (B) Energy requirement /yield of each process; (C) Regulatory steps that control glucose metabolismarrow_forwardWhich process below produces 2 molecules of pyruvate and 2 molecules of ATP? A. Fermentation B. Kreb's Cycle C. Citric Acid Cycle D. Glycolsisarrow_forward
- Which of the following statements concerning alcoholic fermentation is NOT true? a. It occurs under aerobic conditions in yeast. b. It converts pyruvate into ethanol and CO2. c. One molecule of NADH is consumed. d. It generates NAD+ for reuse by glycolysis.arrow_forwardWhat is the difference between cellular respiration and fermentation? Select an answer. a) cellular respiration does not need oxygen, while fermentation needs oxygen b) cellular respiration needs oxygen, while fermentation does not need oxygen c) cellular respiration produces very little energy, while fermentation produces a lot of energy d) Almost all cells carry out fermentation, while few carry out cellular respirationarrow_forwardWhat is the importance of fermentation to cellular metabolism? a. It generates glucose for the cell in the absence of O2. b. It oxidizes NADH to NAD+ during electron transport. c. It oxidizes NADH to NAD+ in the absence of O2. d. It reduces NADH to NAD+ in the absence of O2.arrow_forward
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