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Study
G8 Chapter 1 and 2
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phloem carries
food/sugar
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What are enzymes?
Complex proteins that speeds up the chemical reactions
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Parts where digestion of carbohydrates occur
mouth, small intestine
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What will happen when a cell is placed in a concentrated glucose solution?
water will move out from the cell/ cell decreases its size
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The part of the stem just above the cut region becomes swollen. Which part was removed, xylem or phloem?
phloem
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Digestion of food is completed in the
small intestine
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What is the root hair cell? How does it work?
Cells in the roots for water and mineral salts absorption
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end-product of carbohydrates
glucose/simple sugars
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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.
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End product of proteins
amino acids
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xylem carries
water and mineral salts
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xylem or phloem: Found in the inner ring of the vessel
xylem
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most acidic part of the digestive system
stomach
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What is lipase?
converts fats into fatty cids/glycerol
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Blood consists of liquid substance called plasma. Functions of the plasma include:
Exchange of nutrients and waste substances between the body cells
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Digestion of fats happens in your
small intestine
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2 organs that produce juices to break down fats are
liver and small intestine
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How does bile help the digestion process?
breaks down fats/ emulsifies fats to increase the surface area
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(b) Blood capillaries connect arteries to veins. What is the main function a blood capillary?
Diffusion of useful and waste materials
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Digestion of proteins begins in the
stomach
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