Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 4, Problem 8RQ
The glucose that enters the glycolysis pathway is split into two molecules of _____.
a. ATP
b. phosphate
c. NADH
d. pyruvate
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The metabolic process that produces the most ATP molecules isa. glycolysis.b. the citric acid cycle.c. the electron transport chain.d. fermentation.
Glucose is converted to pyruvate in which stage of cellular respiration? a. glycolysis b. intermediate stage c. citric acid cycle d. electron transport system
The final net products of ________ are 2 molecules of ATP and 2 NADH.
a.
pyruvate oxidation
b.
the citric acid cycle
c.
glycolysis
Chapter 4 Solutions
Concepts of Biology
Ch. 4 - Figure 4.6 Look at each of the processes shown and...Ch. 4 - Figure 4.15 Cyanide inhibits cytochrome c oxidase,...Ch. 4 - Figure 4.16 Tremetol, a metabolic poison found in...Ch. 4 - Which of the following is not an example of an...Ch. 4 - Which of the following is not true about enzymes?...Ch. 4 - Energy is stored long-term in the bonds of _____...Ch. 4 - The energy currency used by cells is _____. a. ATP...Ch. 4 - The glucose that enters the glycolysis pathway is...Ch. 4 - What do the electrons added to NAD do? a. They...Ch. 4 - Chemiosmosis involves a. the movement of electrons...
Ch. 4 - Which of the following fermentation methods can...Ch. 4 - The cholesterol synthesized by cells uses which...Ch. 4 - Beta oxidation is ______. a. the breakdown of...Ch. 4 - Does physical exercise to increase muscle mass...Ch. 4 - Explain in your own terms the difference between a...Ch. 4 - With regard to enzymes, why are vitamins and...Ch. 4 - Both prokaryotic and eukaryotic organisms carry...Ch. 4 - We inhale oxygen when we breathe and exhale carbon...Ch. 4 - When muscle cells run out of oxygen, what happens...Ch. 4 - Would you describe metabolic pathways as...
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- The majority of the ATP produced by cellular respiration comes from ________. a. glycolysis b. the citric acid cycle c. the electron transport chainarrow_forwardAll stages of cellular respiration are decreased in conditions of insufficient oxygen except a. glycolysis. b. the intermediate stage. c. the citric acid cycle. d. the electron transport system.arrow_forwardDuring aerobic respiration, high energy electrons are taken from glucose and transferred to electron carriers. The cell then uses the energy from these electrons to: A) pump hydrogen ions across the inner mitochondrial membrane B) produce oxygen C) produce carbon dioxide D) make glucose E) reduce electron carriersarrow_forward
- 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.arrow_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_forwardWhich process of aerobic respiration produces the majority of ATP? a. Pyruvate oxidation b. Glycolysis c. Oxidative phosphorylation d. Citric acid cyclearrow_forward
- 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.arrow_forwardWhich of the following statements is true? A. The citric acid cycle occurs in the mitochondria matrix B. The citric acid cycle occurs in the cytosol C. Electron transport chain and ATP synthase are in the cytosol D. Oxidative phosphorylation occurs in the mitochondria matrixarrow_forwardThe oxygen (O2) consumed during aerobic cellular respiration is involved directly in which process or event? A) the phosphorylation of ADP to form ATP B)accepting electrons at the end of the electron transport chain C)glycolysis D)the oxidation of pyruvate to acetyl-CoA E)the citric acid cycle 12.arrow_forward
- NAD+ is regenerated duringa. glycolysis.b. fermentation.c. the Krebs cycle.d. the formation of acetyl-CoA.arrow_forwardIf 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_forwardIf you only had butter containing only lipids to eat, how would your body respond? A. It would use a different preparatory system than glycolysis before the citric acid cycle. B. It would rely on the large amount of glucose in the blood for your day's needs. C. It would use alcoholic fermentation. D. It would use lactic acid fermentation.arrow_forward
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