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SC CH 4

QuestionAnswer
What molecule carries chemical energy that cells use for their function? ATP
Which of the following molecules found in the food we eat is most commonly broken down to make ATP? carbohydrates
Which of the following directly provides the energy needed for cell functions? A phosphate group is removed from ATP
Chemosynthesis is a process through which some organisms use energy from chemicals in their environment to build sugars in the absence of... sunlight
The water molecules labeled A in Figure 4.1 are going to the thylakoids to take part in which process? light-dependent reactions
Which of the following is a reactant in photosynthesis? CO2
Where in plant cells are the energy-absorbing molecules for photosynthesis located? thylakoids
What happens to the sugars that are made during photosynthesis? They can be used for cellular respiration
The part of the cellular respiration that needs oxygen takes place inside the... mitochondria
Which process is best represented by the following chemical equation? sugars + oxygen --> carbon dioxide + water cellular respiration
Which of the following is best shown by Figure 4.2 below? electron transport chain
An electron transport chain that produces ATP is part of both the respiration process and... photosynthesis
In which process is lactic acid formed when there is not enough oxygen present for cellular respiration to take place? fermentation
Before cellular respiration, glucose must be broken down by the process of... glycolysis
Which of the following is a product of the Krebs cycle? carbon dioxide
Which of the following statements is true of ATP? It transfers energy to cell processes
The breakdown of which of the following provides the largest number of ATP per molecule? lipids
Which of the following reactions provides the chemical energy for most cell functions? ATP - P --> ADP. The loss of a phosphate from ATP
Which process would bacteria living near a heat vent on the ocean floor use to build carbon-based molecules, such as sugars? chemosynthesis
Which of the following best describes the molecules labeled B in Figure 4.1? carbon dioxide entering the Calvin cycle
Which chemical equation best represents the process of photosynthesis? 6CO2 + 6H2O --> C6H12O6 + 6O2
What is the site of the photosystems in the light-dependent reactions of photosynthesis? thylakoid membrane
What is the name of the process that breaks glucose down into the pyruvate that is used in cellular respiration? glycolysis
The aerobic stages of cellular respiration take place in the... mitochondria
What is the main function of the electrons shown in Figure 4.2? provide energy to pump hydrogen ions
Which process is best represented by the chemical equation CHO6 + 6O --> 6CO + 6HO? cellular respiration
An electron transport chain is part of... both photosynthesis and cellular respiration
Which process allows glycolysis to continue in the absence of oxygen? fermentation
Which organisms use alcoholic fermentation to allow glycolysis to continue to produce ATP? yeasts
When pyruvate is a reactant in cellular respiration is means that... oxygen is present
Write a simple title for the diagram Figure 4.3 above photosynthesis
Name one high-energy molecule shown in the diagram Figure 4.3 that is used as an energy-carrier. ATP, NADPH
Write a simple title for the diagram Figure 4.4 above Cellular Respiration and Fermentation
Name one place in diagram Figure 4.4 where a high-energy molecule is transferring energy NADH, ATP, FADH2
Where does the reactant for glycolysis come from? sugar from food
Describe a real-life situation in which the anaerobic part of the process above (Figure 4.4) might take place. Use the term fermentation in the your answer. It might take place in strenuous exercise when your body is not getting a sufficient amount of oxygen causing the pyruvate to go through fermentation to produce lactic acid
Created by: ZekeN
 

 



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