45 Questions
Where does aerobic respiration primarily occur?
Mitochondria
What are the end products of anaerobic respiration in animals?
Lactic acid
How many ATP molecules are typically generated per glucose molecule in aerobic respiration?
38
Which investigation focuses on determining if oxygen is necessary for respiration?
Oxygen Requirement in Respiration
What is the main product of anaerobic respiration in yeast?
Ethanol
Where does anaerobic glycolysis primarily take place?
Cytoplasm
Why is a CO2 indicator used in the 'Oxygen Requirement in Respiration' investigation?
To detect carbon dioxide production
What makes aerobic respiration yield significantly more ATP than anaerobic respiration?
The involvement of oxygen in the electron transport chain
What is the main byproduct of anaerobic respiration in muscle cells during exercise?
Lactic Acid
Which process allows glycolysis to continue during anaerobic respiration by regenerating NAD+?
Fermentation
What is the potential consequence of the accumulation of lactic acid in muscles?
Muscle fatigue
In brewing beer, which compound is produced during anaerobic fermentation by yeast?
Ethanol
What is the main role of carbon dioxide in bread-making when yeast ferments sugars anaerobically?
Create carbonation
Which type of respiration requires oxygen for the breakdown of glucose?
Aerobic respiration
The switch from aerobic to anaerobic respiration in muscle cells occurs when?
During intense exercise
What is produced when muscle cells switch from aerobic to anaerobic respiration during intense exercise?
Lactic acid
Which compound is crucial for the alcohol content and carbonation of beer produced through anaerobic fermentation?
Ethanol
In which industry does anaerobic respiration play a significant role in the production process?
Brewing
What is the primary reason for the production of lactic acid in muscle cells during intense exercise?
To regenerate NAD+ for glycolysis
What major impact can the accumulation of lactic acid in muscles have during intense exercise?
Muscle fatigue and soreness
Which process allows dough to rise and creates the soft, spongy texture of bread during baking?
Fermentation
What distinguishes aerobic respiration from anaerobic respiration in terms of oxygen requirement?
Aerobic requires oxygen, anaerobic does not
Where does aerobic respiration occur within the cell?
Mitochondria
What is the main byproduct of anaerobic respiration in animals?
Lactic Acid
Which investigation focuses on verifying CO2 production during respiration?
Oxygen Requirement Investigation
In aerobic respiration, what is the approximate ATP yield per glucose molecule?
38 ATP
What is the end product of anaerobic respiration in yeast?
Ethanol
Which process primarily occurs in the cytoplasm of the cell?
Anaerobic Respiration
What is the purpose of using a CO2 indicator in the 'CO2 Production During Respiration' investigation?
To confirm CO2 release
What is the primary outcome of the 'Oxygen Requirement in Respiration' investigation?
Consumption of Oxygen and CO2 Production
What impact can the accumulation of lactic acid have on muscle cells during intense exercise?
Lead to muscle fatigue and soreness
What is the primary function of lactic acid formation in the context of anaerobic respiration?
Regenerate NAD+ for glycolysis
In aerobic respiration, what is the role of oxygen?
To accept electrons at the end of the electron transport chain
What is the purpose of ethanol production in yeast during anaerobic respiration in beer brewing?
To enhance beer carbonation
Why is anaerobic respiration essential for the soft and spongy texture of bread?
To cause dough to rise through CO2 production
Which cells primarily rely on anaerobic respiration during intense exercise?
Muscle cells
What distinguishes the metabolic fate of glucose in muscle cells during anaerobic respiration?
Formation of lactic acid
What distinguishes the location of anaerobic respiration from aerobic respiration?
Anaerobic respiration occurs in the cytoplasm, while aerobic respiration occurs in mitochondria.
Which investigation uses a CO2 indicator as a vital part of its method?
CO2 Production During Respiration
What is the primary end product of anaerobic respiration in animals?
Lactic acid only
In which environment does the 'Oxygen Requirement in Respiration' investigation direct seeding to be placed?
In a sealed container with a substance to absorb CO2
What is the expected outcome of the setup with live seeds in the 'Oxygen Requirement in Respiration' investigation?
Production of carbon dioxide
What purpose does a clear lime water solution serve in the 'CO2 Production During Respiration' investigation?
To indicate the presence of CO2
How many ATP molecules does anaerobic respiration typically yield per glucose molecule?
2
Which organisms are placed in a closed environment for the 'CO2 Production During Respiration' investigation?
Microorganisms
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