B4 - The process of life

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what is the function of a nucleus?
Contains DNA. The DNA is instructions for making protein.
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What is the function of the Cytoplasm?
A Gel-Like substance where protein like enzymes are made made.
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What is the function of the cell membrane?
holds the cell together and controls what goes in and out like gasses and water.
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What is the function of the Mitochondria?
These are where the enzymes needed for the reaction of aerobic respiration.
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Name 3 things that plant cells have but animals don't.
1) Cell wall. 2)Vacuole. 3) Chloroplasts.
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Yeats cells have Mitochondria and a nucleus. True or False?
True. They are like plant cells they just don't have a Vacuole or Chloroplasts.
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What type of cells have a cell wall but not a nucleus?
Bacteria
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What is an enzyme?
they are protein produced by living things.
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What is the 'Lock and key' model?
When a substrate fits specificity into a enzyme to make a reaction. Enzymes are very specific.
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Name 2 things that affect how quickly an enzyme works.
1) Temperature. 2) The pH
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What is a denatured enzyme?
an enzyme that the shape has changed because of the temperature of pH.
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What is the word equation for aerobic respiration?
Glucose + Oxygen ---> Carbon Dioxide + Water (+Energy Released)
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What is the symbol equation for aerobic respiration?
C H O + 6O ---> 6CO + 6H O (+ Energy Released)
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Give an example of when Human cells respire anaerobically.
When you do vigorous exercise your body can't supply enough oxygen to your muscles cells for aerobic respiration.
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What is Photosynthesis?
It is a series of chemical reaction that uses energy from sunlight to produce food.
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What is the word equation for photosynthesis?
Carbon Dioxide + Water -->Light energy--> Glucose + Oxygen.
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What is the symbol equation for photosynthesis?
6CO + 6H O -->Light energy--> C H O +6O
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Give 3 ways plants use Glucose?
1) Respiration 2) Used to make Chemicals for growth. 3) Stored as Starch
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What is diffusion?
Is the passive overall movement of particles for a region of their higher concentration to a region of their lower concentration.
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What is osmosis?
Is the movement of water from the dilute to a more concentrated solution through a partially permeable membrane.
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Card 2

Front

What is the function of the Cytoplasm?

Back

A Gel-Like substance where protein like enzymes are made made.

Card 3

Front

What is the function of the cell membrane?

Back

Preview of the front of card 3

Card 4

Front

What is the function of the Mitochondria?

Back

Preview of the front of card 4

Card 5

Front

Name 3 things that plant cells have but animals don't.

Back

Preview of the front of card 5
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