Biology: Homeostasis, Photosynthesis, and Cellular Respiration Quiz
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Questions and Answers

What is the function of chloroplasts in green plants and algae?

  • Carrying out photosynthesis (correct)
  • Converting glucose into ATP
  • Acting as food reserve molecules
  • Releasing energy quickly

    • What is the role of ATP in cells?

  • Acts as a food reserve molecule
  • Releases energy slowly
  • High energy molecules made from glucose (correct)
  • Converting glucose into ATP

    • Which biomolecule acts as a food reserve molecule and releases energy slowly?

  • Proteins
  • Carbohydrates
  • Lipids (fats and oils) (correct)
  • Enzymes

    • What is the main function of enzymes in biochemical processes?

    <p>Control the rate of chemical reactions</p> Signup and view all the answers

    What is the process of converting light energy into chemical energy known as?

    <p>Photosynthesis</p> Signup and view all the answers

    What are guard cells responsible for on the surface of a leaf?

    <p>Surrounding pores on the leaf surface</p> Signup and view all the answers

    What process involves obtaining oxygen from the environment and releasing carbon dioxide?

    <p>Gas exchange</p> Signup and view all the answers

    Which biomolecule carries hereditary information?

    <p>DNA</p> Signup and view all the answers

    What is the term used to describe constant small corrections that normally help maintain homeostasis?

    <p>Dynamic equilibrium</p> Signup and view all the answers

    Which organelle is responsible for carrying out cellular respiration?

    <p>Mitochondria</p> Signup and view all the answers

    What is the term used to describe a rapid immune response to normally harmless environmental substances?

    <p>Allergy</p> Signup and view all the answers

    Which biomolecule is a simple sugar made during photosynthesis and acts as a carbohydrate?

    <p>Glucose</p> Signup and view all the answers

    What is the term used to describe any substance affecting the rate of a chemical reaction?

    <p>Catalyst</p> Signup and view all the answers

    What is the term used to describe chemical processes that occur in living things?

    <p>Biochemical processes</p> Signup and view all the answers

    What is the term used to describe the ideal or most favorable conditions for a particular process or organism?

    <p>Optimum</p> Signup and view all the answers

    Which of the following is responsible for converting glucose into ATP, the high energy molecule used by cells?

    <p>Cellular respiration</p> Signup and view all the answers

    What is the term used to describe a rapid immune response to normally harmless environmental substances?

    <p>Allergy</p> Signup and view all the answers

    Which of the following biomolecules acts as a food reserve molecule and releases energy slowly?

    <p>Lipids</p> Signup and view all the answers

    What is the term used to describe the process of combining chemicals to form new compounds?

    <p>Synthesis</p> Signup and view all the answers

    Which of the following organelles is responsible for carrying out photosynthesis in green plants and algae?

    <p>Chloroplasts</p> Signup and view all the answers

    What is the term used to describe the ideal or most favorable conditions for a particular process or organism?

    <p>Optimum</p> Signup and view all the answers

    What is the term used to describe the constant small corrections that normally help maintain homeostasis?

    <p>Dynamic equilibrium</p> Signup and view all the answers

    Which of the following biomolecules is a simple sugar made during photosynthesis and acts as a carbohydrate?

    <p>Glucose</p> Signup and view all the answers

    What is the term used to describe any substance that affects the rate of a chemical reaction?

    <p>Catalyst</p> Signup and view all the answers

    Study Notes

    Chloroplasts

    • Chloroplasts are organelles found in green plants and algae.
    • They are responsible for photosynthesis - the process of converting light energy into chemical energy.

    ATP

    • ATP (adenosine triphosphate) is a high-energy molecule used by cells for various functions.

    Food Reserves

    • Lipids (fats and oils) are biomolecules that act as food reserve molecules in cells.
    • They release energy slowly, making them suitable for long-term energy storage.

    Enzymes

    • Enzymes are biological catalysts that speed up biochemical reactions.
    • They work by lowering the activation energy of reactions, making them occur more quickly.

    Photosynthesis

    • Photosynthesis is the process of converting light energy into chemical energy, specifically glucose.

    Guard Cells

    • Guard cells are specialized cells on the surface of a leaf.
    • They control the opening and closing of stomata, pores that regulate gas exchange and water loss.

    Respiration

    • Cellular respiration is the process of obtaining oxygen from the environment and releasing carbon dioxide.

    Hereditary Information Carrier

    • Nucleic acids, specifically DNA (deoxyribonucleic acid), carry hereditary information.

    Homeostasis

    • Homeostasis refers to the maintenance of a stable internal environment.
    • It involves constant small corrections to keep the internal environment within a narrow range.

    Cellular Respiration Organelle

    • Mitochondria are organelles responsible for carrying out cellular respiration, the process of extracting energy from food.

    Allergies

    • Allergies are a rapid immune response to normally harmless environmental substances.
    • The immune system overreacts to allergens, triggering symptoms like sneezing, itching, and inflammation.

    Photosynthesis Product

    • Glucose, a simple sugar, is produced during photosynthesis.
    • It serves as a carbohydrate and is used both as an energy source and building block for other molecules.

    Catalysts

    • A catalyst is any substance that affects the rate of a chemical reaction.
    • Enzymes are biological catalysts.

    Chemical Processes in Living Things

    • Metabolism is the term for all chemical processes that occur in living things.
    • It includes both anabolism (building up) and catabolism (breaking down) reactions.

    Optimal Conditions

    • Optimum refers to the ideal or most favorable conditions for a particular process or organism.
    • This could be temperature, pH, nutrient availability, or any other factor.

    Glucose to ATP

    • Mitochondria are responsible for converting glucose into ATP.
    • They perform cellular respiration to extract energy from glucose, producing ATP.

    Combination of Chemicals

    • Synthesis is the process of combining chemicals to form new compounds.
    • It's a key part of anabolism, where complex molecules are built from simpler ones.

    Photosynthesis Organelle

    • Chloroplasts are the organelles responsible for photosynthesis in plants and algae.
    • They contain chlorophyll, the pigment that captures light energy.

    Anabolism

    • Anabolism is the process of building up complex molecules from simpler ones.
    • It requires energy and is one part of metabolism.

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    Related Documents

    Vocabulary Topic 2 PDF

    Description

    Test your knowledge on important biological processes such as homeostasis, photosynthesis, and cellular respiration. Explore concepts like ATP production, protein structure, lipid functions, and the role of DNA in carrying hereditary information.

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