BPBIO

    Cards (65)

    • What is the primary focus of General Biology 1 course?
      Understanding biology at cellular and molecular levels
    • What are the learning outcomes of the General Biology 1 course?
      Knowledge of cell theory, organelles, and metabolism
    • What are the three tenets of cell theory?
      All organisms are made of cells, cells are basic units, cells arise from pre-existing cells
    • Why is there no universally accepted definition of life?
      Some consider non-cellular entities like viruses as living
    • Who is credited with the discovery of cells?
      Robert Hooke
    • What did Robert Hooke observe under the microscope?
      Thin slices of cork with tiny pores
    • How did Hooke's observations contribute to cell theory?
      He identified cells as basic structural units
    • What was the magnification of Hooke's microscope?
      300x
    • What advancements in microscopy occurred after Hooke?
      Leeuwenhoek improved lens technology for higher magnification
    • What did Anton van Leeuwenhoek discover using his microscope?
      Motile microorganisms he called "animalcules"
    • How did Leeuwenhoek's findings challenge existing theories?
      He provided evidence against spontaneous generation
    • What was the significance of Leeuwenhoek's observations of sperm cells?
      It demonstrated the fertilization process requires sperm to enter egg
    • What did Hooke name the tiny pores he observed?
      Cells
    • What did Hooke's observations lack due to low magnification?
      Details of internal cell structures and organelles
    • What did Hooke observe on leather under his microscope?
      Mould that was bluish in color
    • What was the misconception Hooke had about the cells he observed?
      He thought they were not alive
    • How did Leeuwenhoek's work differ from Hooke's in terms of cell observation?
      Leeuwenhoek observed living cells and motility
    • What did Leeuwenhoek's microscope achieve in terms of magnification?
      270x
    • What was the impact of the invention of the electron microscope?
      It allowed viewing objects smaller than visible light wavelengths
    • How did the development of microscopes influence biology?
      It enabled the discovery and study of cells
    • What are the major chapters covered in General Biology 1?
      • Cell Theory
      • Cell Structure and Functions
      • Prokaryotic and Eukaryotic Cells
      • Cell Cycle
      • Transport Mechanisms
      • Biological Molecules
      • ATP-ADP Cycle
      • Photosynthesis
      • Respiration
    • What are the key components of the cell theory?
      1. All living organisms are composed of cells
      2. The cell is the basic unit of structure and organization
      3. Cells arise from pre-existing cells
    • What advancements in microscopy contributed to the discovery of cells?
      • Robert Hooke's compound microscope
      • Anton van Leeuwenhoek's improved lenses
      • Development of electron microscopes
    • What were the contributions of Hooke and Leeuwenhoek to cell biology?
      • Hooke: Discovered and named cells
      • Leeuwenhoek: Observed living cells and motility
    • What quality of life is associated with motility?
      It indicates living organisms
    • What term did Leeuwenhoek use to describe microorganisms?
      Animalcules
    • What types of organisms did Leeuwenhoek's "animalcules" include?
      Protozoa and unicellular organisms
    • What significant discovery did Leeuwenhoek make regarding red blood cells?
      He provided the first accurate description
    • What led Leeuwenhoek to study "pepper water" in 1676?
      His interest in the sense of taste
    • What type of cells did Leeuwenhoek discover for the first time?
      Sperm cells of animals and humans
    • What process did Leeuwenhoek observe regarding fertilization?
      Sperm cell entering the egg cell
    • What theory did Leeuwenhoek's discovery put an end to?
      Spontaneous generation
    • Who was the first to confirm Leeuwenhoek's observations?
      Hooke
    • Why were animal tissues observed after plant tissues?
      Animal tissues were fragile and hard to prepare
    • Who connected the fundamental unit of life to cellular structure?
      Henri Dutrochet
    • What did Dutrochet claim about cells?
      Cells are both structural and physiological units
    • What are the three tenets of cell theory?
      1. All living organisms are composed of one or more cells
      2. The cell is the most basic unit of life
      3. All cells arise only from pre-existing cells
    • Who are credited with developing cell theory?
      Theodor Schwann and Matthias Schleiden
    • What did Schleiden suggest about plant structure in 1839?
      Every structural part is made of cells
    • What crystallization process did Schleiden claim?
      Cells are made by crystallization from other cells
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