666593
Questão 1
Questão
What are living organisms made up of?
Responda
-
Cells
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Other organisms
Questão 2
Questão
What is a cell?
Responda
-
the smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane.
-
the smallest particle of a chemical element that can exist.
Questão 3
Questão
What do plant cells have that animal cells don't?
Responda
-
Cell wall, chloroplasts, vacuole
-
Nucleus, cytoplasm, cell membrane, mitochondria
Questão 4
Questão
What do plant cells and animal cells have in common?
Responda
-
They both have a nucleus, cytoplasm, cell membrane and mitochondria
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They both have a cell wall and mitochondria
Questão 5
Questão
What comes first, the cell wall or the cell membrane?
Responda
-
cell wall
-
cell membrane
Questão 6
Questão
What are cell walls made of?
Responda
-
cellulose
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cellulite
Questão 7
Questão
The nucleus of a cell is in the vacuole.
Responda
- True
- False
Questão 8
Questão
What contains genetic material and controls the activities of a cell?
Responda
-
Mitochondria
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Cytoplasm
-
Cell membrane
-
Nucleus
Questão 9
Questão
Where do most chemical processes take place and what is controlled by enzymes?
Responda
-
Nucleus
-
Cytoplasm
-
Cell membrane
-
Mitochondria
Questão 10
Questão
What controls the movement of substances in and out of a cell?
Responda
-
Cell membrane
-
Nucleus
-
Mitochondria
Questão 11
Questão
Where is the most energy released by respiration?
Responda
-
Nucleus
-
Cytoplasm
-
Mitochondria
Questão 12
Questão
Why can animal cells burst where plant cells can't?
Responda
-
Plant cells have a cell wall which supports the cell and prevents it from bursting when the cell is full of water (turgid).
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They have chloroplasts.
-
They have a permanent vacuole which is filled with cell sap to keep the cell turgid.
Questão 13
Questão
What is the function of chloroplasts?
Responda
-
They contain chlorophyll which absorbs light energy for photosynthesis.
-
They are filled with cell sap to keep the cell turgid.
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