WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
3rd Edition
ISBN: 9781319103316
Author: PHELAN
Publisher: Macmillan Higher Education
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Chapter 4, Problem 16MC
Summary Introduction
Introduction:
Alcoholic beverages are produced by fermentation.
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Which of the following DOES NOT describe Cellular Respiration? *
a. It provides cells with the energy they need to function.
b. Cellular respiration is essential to both eukaryotic and prokaryotic cells because
this biochemical energy is produced to fuel many metabolic processes, such as
biosynthesis, locomotion, and transportation of molecules across membranes
c. Without the process of cellular respiration, there is no gaseous exchange and the
cells, tissue and other organs die due to the lack of oxygen and by the accumulation
of carbon dioxide within the cells and tissues.
d. Cellular respiration is a type of passive cell transport. Molecules move from areas
O of high concentration to areas of low concentration in order to decrease the
concentration gradient
Some friends are trying to make wine in their basement. They've added yeast (which is a facultative anaerobe - it can perform both aerobic respiration and fermentation) to a sweet grape juice mixture and have allowed the yeast to grow. After several days they find that sugar levels in the grape juice have dropped, but there's no alcohol in the mixture. The most likely explanation is that
the mixture needs less oxygen, because yeast only produce alcohol in the absence of oxygen
the mixture needs less sugar, because high sugar concentrations prevent fermentation
the mixture needs more sugar, because yeast need a lot of energy before they can begin to produce alcohol
the yeast used the alcohol as a carbon source
the mixture needs more oxygen, because yeast need oxygen to break down sugar and get enough energy to produce alcohol
Anaerobic respiration differs from aerobic respiration in that . .
A. the electron transport chain is not used in anaerobic respiration.
B. more ATP is produced in the TCA cycle of anaerobic respiration.
C. only aerobes can use glucose.
D.anaerobes employ a different final electron acceptor than aerobes.
Chapter 4 Solutions
WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
Ch. 4 - Prob. 1SACh. 4 - Prob. 2SACh. 4 - Prob. 3SACh. 4 - Prob. 4SACh. 4 - Prob. 5SACh. 4 - Prob. 6SACh. 4 - Prob. 7SACh. 4 - Prob. 8SACh. 4 - Prob. 9SACh. 4 - Prob. 10SA
Ch. 4 - Prob. 11SACh. 4 - Prob. 12SACh. 4 - Prob. 13SACh. 4 - Prob. 14SACh. 4 - Prob. 15SACh. 4 - Prob. 16SACh. 4 - Prob. 17SACh. 4 - Prob. 1MCCh. 4 - Prob. 2MCCh. 4 - Prob. 3MCCh. 4 - Prob. 4MCCh. 4 - Prob. 5MCCh. 4 - Prob. 6MCCh. 4 - Prob. 7MCCh. 4 - Prob. 8MCCh. 4 - Prob. 9MCCh. 4 - Prob. 10MCCh. 4 - Prob. 11MCCh. 4 - Prob. 12MCCh. 4 - Prob. 13MCCh. 4 - Prob. 14MCCh. 4 - Prob. 15MCCh. 4 - Prob. 16MCCh. 4 - Prob. 17MC
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- Discuss the effects of the following factors in the rate of cellular respiration: a. temperature b. substrate availability c.woundingarrow_forwardWhich of the following statements best explains the general process of cellular respiration? A. Living organisms use energy from the sun and water to create food in the form of sugar. B. Living organisms take in oxygen and water to create food in the form of sugars and energy. C. Living organisms breakdown sugar from food to combine with oxygen making usable energy. D. Living organisms take in oxygen and release carbon dioxide through the cells thereby providing energy. 2.arrow_forwardWhich of the following statements about cellular respiration is TRUE in eukaryotes? A. For every molecule of NADH oxidized in the electron transport chain, 1 molecule of ATP is produced. B. ATP synthase harnesses the flow of protons (hydrogen ions = H+) from the mitochondrial matrix to the intermembrane space to produce ATP. C. ATP synthase transduces the flow of protons (hydrogen ions = H+) from the intermembrane space to the mitochondrial matrix into kinetic (mechanical) energy D. H2O is the final electron acceptor in the electron transport chain, being oxidized to O2 and H+. E. All of the above are truearrow_forward
- A) B) D) A moose eats a lily pad. Consider the model above. The lily pad produces materials (D) used by the moose in cellular respiration. The moose, then, produces materials (B) used by the lily pad in the process of photosynthesis. Given this information, what belon in the model in the place marked A? ATP water oxygen Cellular respiration glucose MITOCHONDRION (animal cell) CHLOROPLAST (plant cell) Photosynthesisarrow_forwardWhich 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 gradientarrow_forwardWhich of the following is one difference between fermentation and anaerobic respiration? a. Fermentation uses oxygen to produce ATP and anaerobic respiration does not b. Fermentation harvests more energy from each sugar molecule than anaerobic respiration. c. Anaerobic respiration utilizes an electron transport chain while fermentation does not d. Anaerobic respiration utilizes glycolysis while fermentation does not.arrow_forward
- For each of the statements below, indicate whether they are true or false and then in detail explain why the false statements are incorrect, making reference to the relevant cell processes and/or molecules. A. In cellular respiration the ETC transfers electrons via redox reactions whereas in photosynthesis the ETC transfers electrons using light. B. In cellular respiration the ETC creates a proton gradient with the higher concentration on the outer side of the inner membrane whereas in photosynthesis the ETC creates a proton gradient with the higher concentration on the inner side of the thylakoid membrane. C. In cellular respiration the ETC gradient is used to power ATP production by oxidative phosphorylation whereas in photosynthesis the ETC gradient is used to power ATP production by substrate level phosphorylation.arrow_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_forwardA: ATP Cellular respiration Bwater and oxygen MITOCHONDRION (animal cell) CHLOROPLAST (plant cell Examine the model depicting the relationship between photosynthesis and cellular respiration. Select ALL of th choices that correctly pairs products and reactants with their place in the model. Photosynthesisarrow_forward
- Extremophiles are microorganisms that can survive and proliferate in extreme environments. One group of such microorganisms are lithotrophs. These are found deep beneath the Earth's surface, living on rocks under anaerobic conditions and surviving on CO2 as their sole source of carbon. Imagine that you are studying a newly discovered lithotroph and are trying to determine what it uses as a source of electrons for reducing CO2 and for producing energy. Which one of the following conditions must be met for a molecule to serve as a useful electron donor? Oxidation of the molecule occurs with a decrease in free energy. Oxidation of the molecule occurs with an increase in free energy. Reduction of the molecule occurs with a decrease in free energy. O Reduction of the molecule occurs with an increase in free energy.arrow_forwardWhat does the following figure represent? The last steps of anaerobic cellular respiration. b) Oxidative phosphorylation. c) The electron transport chain (ETC) only. d) Chemiosmosis only. e) The light reactions of photosynthesis.arrow_forwardWhich of the following final electron acceptors is used during anaerobic respiration? a. lactic acid b. pyruvate c. glucose d. nitrate e. waterarrow_forward
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