Study

G8 Chapter 1 and 2

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  • phloem carries
    food/sugar
  • What are enzymes?
    Complex proteins that speeds up the chemical reactions
  • Parts where digestion of carbohydrates occur
    mouth, small intestine
  • What will happen when a cell is placed in a concentrated glucose solution?
    water will move out from the cell/ cell decreases its size
  • The part of the stem just above the cut region becomes swollen. Which part was removed, xylem or phloem?
    phloem
  • Digestion of food is completed in the
    small intestine
  • What is the root hair cell? How does it work?
    Cells in the roots for water and mineral salts absorption
  • end-product of carbohydrates
    glucose/simple sugars
  • Can our body digests cellulose that are found in plants? What happens to the cellulose?
    No. It passes through the canal and comes out as faeces.
  • End product of proteins
    amino acids
  • xylem carries
    water and mineral salts
  • xylem or phloem: Found in the inner ring of the vessel
    xylem
  • most acidic part of the digestive system
    stomach
  • What is lipase?
    converts fats into fatty cids/glycerol
  • Blood consists of liquid substance called plasma. Functions of the plasma include:
    Exchange of nutrients and waste substances between the body cells
  • Digestion of fats happens in your
    small intestine
  • 2 organs that produce juices to break down fats are
    liver and small intestine
  • How does bile help the digestion process?
    breaks down fats/ emulsifies fats to increase the surface area
  • (b) Blood capillaries connect arteries to veins. What is the main function a blood capillary?
    Diffusion of useful and waste materials
  • Digestion of proteins begins in the
    stomach