Endoplasmic Reticulum Structure and Functions Quiz
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Questions and Answers

What is the main function of connective tissues in the heart?

  • To provide electrical signals for the heartbeat
  • To pump blood to the rest of the body
  • To regulate the rhythm of the heartbeat
  • To connect the systems in the organ (correct)

    • Which type of muscles is responsible for producing movements in different parts of the body?

  • Epithelial muscles
  • Skeletal muscles (correct)
  • Smooth muscles
  • Cardiac muscles

    • What is the primary function of the male reproductive system?

  • To produce sperm and male sex hormone (correct)
  • To maintain balance of bodily fluids
  • To generate energy for the body
  • To produce blood cells

    • What is the role of nerve tissue in the heart's function?

    <p>To regulate the rhythm of the heartbeat</p> Signup and view all the answers

    Which organs are part of the lymphatic system?

    <p>Spleen, lymph nodes, and lymph vessels</p> Signup and view all the answers

    What are the components of the nervous system?

    <p>Otak, saraf tunjang, dan saraf periferi</p> Signup and view all the answers

    What happens to the plant cell when water is absorbed into the vacuole?

    <p>The cell becomes turgid</p> Signup and view all the answers

    What is the primary function of the vacuole in plant cells?

    <p>Storage and maintenance of turgidity</p> Signup and view all the answers

    What is the main component of the strong and rigid outer layer of plant cells?

    <p>Cellulose fiber</p> Signup and view all the answers

    How does the permeability of the outer layer of plant cells compare to the cell membrane?

    <p>Fully permeable</p> Signup and view all the answers

    Which of the following is an example of a protozoan?

    <p>Paramecium sp.</p> Signup and view all the answers

    Can unicellular organisms perform all life processes like multicellular organisms?

    <p>Yes, they are a complete unit of life</p> Signup and view all the answers

    Which structure controls the opening and closing of the stoma?

    <p>Modified lower epidermal cells</p> Signup and view all the answers

    What is the function of the long, continuous hollow tube in plants?

    <p>Transporting water and mineral salts</p> Signup and view all the answers

    What is the arrangement of cells in the structure that allows maximum absorption of sunlight for photosynthesis?

    <p>Long cylindrical cells arranged vertically and close to each other</p> Signup and view all the answers

    Which type of tissue is responsible for the exchange of oxygen and carbon dioxide?

    <p>None of the above</p> Signup and view all the answers

    What does the palisade mesophyll contain?

    <p>High chlorophyll density</p> Signup and view all the answers

    What is the function of cells being organized into tissues?

    <p>To allow cells of the same type and function to work together</p> Signup and view all the answers

    How does Paramecium sp. move?

    <p>Using rhythmic cilia beats.</p> Signup and view all the answers

    How does Amoeba sp. trap food particles?

    <p>By extending its pseudopodium to trap food particles by phagocytosis.</p> Signup and view all the answers

    What happens to the food vacuole in these organisms?

    <p>It is combined with lysosomes and the food particles are hydrolyzed by the enzyme lysozyme in the lysosomes.</p> Signup and view all the answers

    How are waste products like carbon dioxide and ammonia removed by Amoeba sp. and Paramecium sp.?

    <p>By diffusion.</p> Signup and view all the answers

    In what type of environment do Amoeba sp. and Paramecium sp. live?

    <p>Freshwater environments.</p> Signup and view all the answers

    What occurs when the contractile vacuole in Amoeba sp. and Paramecium sp. expands to the maximum size?

    <p>Contraction occurs and water is excreted from time to time.</p> Signup and view all the answers

    What is the primary function of the rough endoplasmic reticulum?

    <p>Transporting proteins synthesized by ribosomes</p> Signup and view all the answers

    What is the relationship between the endoplasmic reticulum and the nuclear membrane?

    <p>The endoplasmic reticulum and nuclear membrane are continuous</p> Signup and view all the answers

    What is the primary function of chlorophyll in a plant cell?

    <p>Absorbing sunlight and converting it to chemical energy during photosynthesis</p> Signup and view all the answers

    How does the size and number of vacuoles differ between young and mature plant cells?

    <p>Young plant cells have many small vacuoles, while mature plant cells have a large vacuole</p> Signup and view all the answers

    What is the function of the smooth endoplasmic reticulum in a plant cell?

    <p>Synthesizing and transporting glycerol and lipids</p> Signup and view all the answers

    What type of endoplasmic reticulum provides a wide surface for enzyme attachment and biochemical reactions?

    <p>Rough endoplasmic reticulum</p> Signup and view all the answers

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