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16 questions
When we say a process requires oxygen, we call it what?
Anaerobic
Aerobic
Oxyphillic
Oxygenphilia
When we say a process that does not require oxygen, we call it what?
Anaerobic
Aerobic
Oxyphillic
Oxygenphilia
True or False: An anaerobic process is one that does not require oxygen to take place.
True
False
True or False: We call the first phase of cellular respiration glycolysis.
True
False
Which of the following is a reactant of cellular respiration?
Oxygen
Carbon Dioxide
Glucose
Glucose and Oxygen
Glycolysis is responsible for breaking glucose down into what?
CO2
H2O
Acetyl CoA
2 Pyruvic Acids
True or False: This is the cellular respiration equation:
C6H12O6 + O2 ------> CO2 + H2O
True
False
True or False: Only heterotrophs need to perform cellular respiration.
True
False
During which phase of cellular respiration is the most ATP harvested?
Glycolysis
Krebs Cycle
Electron Transport Chain
Citric Acid Cycle
Which of the following is NOT a product of cellular respiration?
Water
Carbon Dioxide
Energy in the form of ATP
Glucose
Many different chemical reactions occur during cellular respiration. It is a process that requires certain resources to get started and in turn it produces resources when it is finished. With all of that being said, why do organisms want to perform cellular respiration? What is the main purpose?
To make H2O from CO2
To harvest energy from food
To create much needed O2
To create glucose
In each phase of cellular respiration there is a certain amount of chemical energy harvested in the form of ATP. On a perfect day, with everything running at 100% efficiency, how many molecules of ATP can we harvest from 1 molecule of glucose?
38
23
4
2
When an organism is in a low oxygen situation, such as running sprints, cellular respiration ceases and the organism must use a different metabolic pathway for creating energy without oxygen. What do we call this process?
Acidification
Hydrolysis
Fermentation
Citric Acid Cycle
During the Krebs cycle, pyruvic acid molecules are broken down to harvest 2 ATPs. What is created and released as a byproduct of that reaction?
CO2
H2O
Neither of these
Both of these
Many electrons are excited during the first two phases of cellular respiration. These electrons hitch a ride on special electron carriers and are dropped off at the Electron Transport Chain. These electrons travel down the ETC and eventually get oxidized. Once this happens, O2 gets converted into…
C6H12O6
H2O
CO2
O2
Where do the reactions of cellular respiration occur?
Thylakoid & Stroma
Cytoplasm & Mitochondria
Mitochondria only
None of these
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