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Questions and Answers
Which of the following best describes the primary role of respiration in living organisms?
Which of the following best describes the primary role of respiration in living organisms?
- To convert potential energy in food into kinetic and heat energy. (correct)
- To absorb solar energy for photosynthesis.
- To produce protein and fat molecules within the cytoplasm.
- To store energy in the form of starch and protein.
In the process of respiration, what happens to food molecules?
In the process of respiration, what happens to food molecules?
- They are oxidized to release energy. (correct)
- They are converted directly into protein and fat.
- They are synthesized into more complex carbohydrates.
- They are transported into the cytoplasm for storage.
Which of the following is a direct product of respiration?
Which of the following is a direct product of respiration?
- Fat molecules
- Protein
- Carbon dioxide (correct)
- Starch
What type of process is respiration?
What type of process is respiration?
Where does the energy used in respiration initially come from?
Where does the energy used in respiration initially come from?
In what part of the cell is energy stored before respiration occurs?
In what part of the cell is energy stored before respiration occurs?
Why is oxygen essential for respiration in most organisms?
Why is oxygen essential for respiration in most organisms?
Which statement accurately describes the occurrence of respiration in plants and animals?
Which statement accurately describes the occurrence of respiration in plants and animals?
In what form is energy released during respiration?
In what form is energy released during respiration?
Which activity is NOT supported by the energy produced through respiration?
Which activity is NOT supported by the energy produced through respiration?
What is the immediate source of energy for cellular activities before respiration occurs?
What is the immediate source of energy for cellular activities before respiration occurs?
What can be inferred about organisms based on the fact that they respire?
What can be inferred about organisms based on the fact that they respire?
Which of the following statements about respiration is correct?
Which of the following statements about respiration is correct?
Why is respiration considered a metabolic process?
Why is respiration considered a metabolic process?
How does respiration primarily benefit living organisms?
How does respiration primarily benefit living organisms?
Why do organisms need to perform respiration continuously?
Why do organisms need to perform respiration continuously?
What happens to potential energy during respiration?
What happens to potential energy during respiration?
How does the energy released from respiration support growth in organisms?
How does the energy released from respiration support growth in organisms?
In the context of respiration, oxidation involves what process?
In the context of respiration, oxidation involves what process?
Why is understanding respiration important in the study of biology?
Why is understanding respiration important in the study of biology?
Flashcards
What is respiration?
What is respiration?
The process by which organisms use oxygen to break down food molecules and release energy.
Is respiration continuous?
Is respiration continuous?
Respiration is a continuous, metabolic process that occurs day and night to release energy in cells.
Energy conversation during respiration?
Energy conversation during respiration?
Potential energy trapped in food transformed into kinetic and heat energy with the help of oxygen.
What happens to foods during respiration?
What happens to foods during respiration?
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Main energy molecules?
Main energy molecules?
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Study Notes
Respiration
- Energy is required for every physiological function in plants and animals.
- Energy is stored in the cytoplasm in the form of starch, carbohydrate, protein, and fat molecules.
- Oxygen is essential for all organic reactions in every organic cell.
- Potential energy trapped in food from solar energy converts to kinetic and heat energy. This conversion is the primary aim of respiration.
- Organisms use the energy derived from respiration to take food, move, excrete, grow, reproduce, and perform other physiological activities.
- Respiration is a burning process where foods are oxidized to release energy.
What is Respiration?
- Energy is necessary for living organisms to perform different physiological activities.
- This energy comes from respiration.
- Oxygen burns the cellular food in an organism's body.
- Energy and carbon dioxide are products of this process.
- Respiration is a physiochemical process where food is oxidized (with or without oxygen).
- Potential energy stored in cellular food is converted and released as kinetic energy and potential energy. This releases heat energy and produces carbon dioxide.
- Respiration is a metabolic process where every organism takes in oxygen from the atmosphere and releases carbon dioxide.
- Few lower plants and animals complete the respiratory process without oxygen.
- Carbon dioxide is released, making respiration a continuous process in every living cell of plants and animals, day and night.
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