Transcript File

Chapter 2
The Unit of Life
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Parts of an Animal Cell
Cytoplasm:
• is a jelly-like
•
•
substance
allows food and
oxygen to move
within cell
is where many
activities take place
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Parts of an Animal Cell
Cytoplasm
Nucleus:
• is found in the
•
•
cytoplasm
is a very important
part of a cell
controls everything
that happens inside
the cell.
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Parts of an Animal Cell
Cytoplasm
Nucleus
Cell Membrane:
• holds the cytoplasm
•
inside the cell
controls substances
that go in and out of
the cell
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Parts of a Plant Cell
Cell wall:
Cell
Membrane
Nucleus
• is outside the cell
•
membrane
is made up of a
stiff material that
gives a plant cell
its shape
Cytoplasm
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Parts of a Plant Cell
Cell
Membrane
Nucleus
Cytoplasm
Cell wall
Chloroplasts:
• are tiny green
•
structures found
in the cytoplasm
contain
chlorophyll, the
pigment that
captures sunlight
to make food for
the plant
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Parts of a Plant Cell
Cell
Membrane
Cell wall
Chloroplasts
Sap:
• is a liquid
Nucleus
Cytoplasm
•
contained within
the cavity found in
the centre of most
plant cells
keeps the cell firm
so that the plant
can stand upright
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Are these plant or animal cells?
stoma
cell wall
chloroplasts
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At a glance…
Part of a Animal Plant
Cell
Cell
Cell
Cytoplasm
Present
Present
Cell
Present
membrane
Present
Nucleus
Present
Present
Cell Wall
Not
Present
Present
Chloroplast
Not
present
Present
Function
Allows substances to move
within the cell
Surrounds the cytoplasm
Controls everything that
happens inside the cell
Gives the plant cell its shape
Contains chlorophyll that
captures sunlight for plants to
make food
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You are reminded that under the Copyright Act, it is an offence to reproduce or copy any part of this presentation without permission from Times Media Private Limited.