B2 - Organisms in the Environment

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List the 5 things that a plant and animal cell have in common
Cytoplasm, Cell Membrane, Nucleus, Mitochondria, Ribosomes
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What does a bacteria cell contain?
Loose genetic material, Cell membrane, Cell wall, Cytoplasm
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What is the equation for photosynthesis?
Carbon Dioxide + Water - Light energy, Chloroplasts - Glucose + Oxygen
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What is glucose converted into for storage and how is this substance detected?
Starch - it can be detected by adding iodine solution to the leaf
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What colour would the iodine solution turn when starch is detected?
Blue - Black
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What are the three limiting factors which effect photosynthesis?
Light intensity, Temperature, Amount of Carbon Dioxide
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What are the five things that soluble glucose can do?
Be turned into insoluble starch for storage, Be used for respiration, Be converted into fats and oils for storage, Be used to produce cellulose which strengthens and makes up the cell wall of the plant, Be used to produce proteins
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What do Plant and Algal cells need to produce proteins?
Mineral ions - such as nitrate ions - which they absorb from the soil/water
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What are the 6 factors that effect the distribution of organisms in an area?
Temperature, Availability of Water, Availability of nutrients, Amount of Light, Availability of oxygen, Availability of Carbon Dioxide
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Card 2

Front

What does a bacteria cell contain?

Back

Loose genetic material, Cell membrane, Cell wall, Cytoplasm

Card 3

Front

What is the equation for photosynthesis?

Back

Preview of the front of card 3

Card 4

Front

What is glucose converted into for storage and how is this substance detected?

Back

Preview of the front of card 4

Card 5

Front

What colour would the iodine solution turn when starch is detected?

Back

Preview of the front of card 5
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