Levels of Organisation and Cell Structures Quiz
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Levels of Organisation and Cell Structures Quiz

Created by
@SimplifiedGauss

Questions and Answers

Which organelle is responsible for the production of energy in a cell?

  • Ribosomes
  • Mitochondria (correct)
  • Vacuole
  • Nucleus
  • What is the function of chloroplasts in plant cells?

  • Protein synthesis
  • Photosynthesis (correct)
  • Energy production
  • Waste removal
  • In which part of the human digestive system does the digestion of starch to glucose mainly occur?

  • Large intestine
  • Small intestine (correct)
  • Stomach
  • Mouth
  • What is the main function of the cell membrane?

    <p>Protection and support</p> Signup and view all the answers

    What is a key role of enzymes in metabolic reactions?

    <p>Biological catalysts</p> Signup and view all the answers

    Which process involves the movement of water across a semi-permeable membrane?

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

    What is the final product of photosynthesis in plants?

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

    Carbohydrates are made up of which basic units?

    <p><strong>Simple sugars</strong></p> Signup and view all the answers

    Peristalsis is primarily responsible for:

    <p><em>Movement of food in the gut</em></p> Signup and view all the answers

    Explain the importance of cell differentiation in the development of specialised cells.

    <p>Cell differentiation is important because it allows cells to develop specific structures and functions needed for their specialized roles in the body.</p> Signup and view all the answers

    Describe the advantages and disadvantages of using stem cells in medicine.

    <p>The advantages of using stem cells in medicine include their potential to regenerate damaged tissues, but the disadvantages involve ethical concerns and risks of tumor formation.</p> Signup and view all the answers

    Identify the chemical elements present in carbohydrates, proteins, and lipids.

    <p>Carbohydrates: Carbon, Hydrogen, Oxygen; Proteins: Carbon, Hydrogen, Oxygen, Nitrogen; Lipids: Carbon, Hydrogen, Oxygen.</p> Signup and view all the answers

    Describe the structure of carbohydrates, proteins, and lipids as large molecules made up from smaller basic units.

    <p>Carbohydrates: Starch and glycogen from simple sugars; Proteins: Amino acids; Lipids: Fatty acids and glycerol.</p> Signup and view all the answers

    Explain how temperature changes can affect enzyme function, including changes to the shape of the active site.

    <p>Temperature changes can denature enzymes, altering the shape of their active site and affecting their ability to catalyze reactions effectively.</p> Signup and view all the answers

    Describe the processes of diffusion, osmosis, and active transport in moving substances into and out of cells.

    <p>Diffusion is the movement of substances from high to low concentration, osmosis is the movement of water across a semi-permeable membrane, and active transport uses energy to move substances against the concentration gradient.</p> Signup and view all the answers

    Explain the process of photosynthesis and its importance in converting light energy to chemical energy.

    <p>Photosynthesis is the process by which plants convert light energy into chemical energy stored in glucose, providing the foundation of the food chain.</p> Signup and view all the answers

    Describe the structure of the leaf and explain how it is adapted for photosynthesis.

    <p>Leaves have a large surface area and contain chloroplasts, specialized for capturing sunlight and carrying out photosynthesis efficiently.</p> Signup and view all the answers

    Understand the role of digestive enzymes, including the digestion of starch to glucose by amylase and maltase.

    <p>Digestive enzymes like amylase and maltase break down complex molecules like starch into simpler forms like glucose to facilitate nutrient absorption.</p> Signup and view all the answers

    Describe the process of peristalsis and how it helps in moving food through the gut.

    <p>Peristalsis is the coordinated muscular contractions that propel food along the digestive tract, ensuring the efficient movement of food from the mouth to the stomach and intestines.</p> Signup and view all the answers

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