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Questions and Answers
Which of the following are a part of the body systems linked to respiration?
- Breathing
- Digestion
- Circulation
- Muscles
Which of the following are a part of the body systems linked to respiration?
- Breathing
- Digestion
- Circulation
- Muscles
- Digestion (correct)
- Breathing (correct)
- Circulation (correct)
- Muscles (correct)
What are the two main inputs required for aerobic respiration?
What are the two main inputs required for aerobic respiration?
Glucose and oxygen
Aerobic respiration is an ______ process because it releases heat.
Aerobic respiration is an ______ process because it releases heat.
exothermic
During aerobic respiration, 38 molecules of ATP are produced per glucose molecule.
During aerobic respiration, 38 molecules of ATP are produced per glucose molecule.
Where does aerobic respiration occur in a cell?
Where does aerobic respiration occur in a cell?
What is the name given to the energy molecule made during aerobic respiration?
What is the name given to the energy molecule made during aerobic respiration?
Give one example of what ATP is used for in a cell.
Give one example of what ATP is used for in a cell.
Why are muscle cells packed with mitochondria?
Why are muscle cells packed with mitochondria?
Aerobic respiration is a process that occurs within the ______ of a cell.
Aerobic respiration is a process that occurs within the ______ of a cell.
Why do enzyme-controlled reactions occur much faster and more efficiently than non-enzyme controlled reactions?
Why do enzyme-controlled reactions occur much faster and more efficiently than non-enzyme controlled reactions?
A cell that needs more energy will contain a higher number of mitochondria.
A cell that needs more energy will contain a higher number of mitochondria.
Flashcards
Aerobic Respiration
Aerobic Respiration
The process by which cells break down glucose using oxygen to release energy in the form of ATP.
Glucose
Glucose
A sugar molecule, the primary fuel source for aerobic respiration.
Oxygen
Oxygen
A gas that is essential for aerobic respiration to occur.
ATP (Adenosine Triphosphate)
ATP (Adenosine Triphosphate)
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Rate of Reaction
Rate of Reaction
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Enzyme
Enzyme
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Limiting Factor
Limiting Factor
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Not Enough Enzymes
Not Enough Enzymes
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Number of Enzymes as Limiting Factor
Number of Enzymes as Limiting Factor
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Energy for Movement
Energy for Movement
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Study Notes
Aerobic Respiration
- Aerobic respiration is the process where the body uses energy from food (glucose) and oxygen to produce energy.
- It's a series of chemical reactions that release carbon dioxide, water, and ATP (Adenosine Triphosphate).
- Oxygen is essential for this process.
- The reaction is exothermic, meaning it releases heat.
- The equation is: C₆H₁₂O₆ + 6O₂ → 6H₂O + 6CO₂ + energy (ATP).
ATP Production
- During respiration, ATP (Adenosine Triphosphate) is produced.
- ATP is the main energy source for all living organisms.
- 38 molecules of ATP are produced per glucose molecule during aerobic respiration.
- ATP is a chemical energy store used for cellular processes.
- ATP can be broken down when energy is needed, releasing the stored energy.
- ATP has adenosine and three phosphate groups.
Location of Aerobic Respiration
- Aerobic respiration occurs in the mitochondria.
- Mitochondria have folds (cristae) in their inner membrane that increase the surface area for the reaction, making it more efficient.
- Enzymes needed for respiration are found within the mitochondria's folds.
Link Between Body Systems and Respiration
- The circulatory system (blood) transports oxygen and nutrients to cells for respiration.
- The respiratory system (breathing) supplies oxygen to the body.
- The digestive system provides glucose via food intake.
Factors Affecting Respiration Rate
- The number of mitochondria inside a cell can indicate the cell's activity level.
- Muscle cells require more energy and consequently have more mitochondria.
- Less food intake will limit the amount of glucose available, slowing down respiration and growth processes.
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