Cell Structures
Animal Cell
Plant Cell
Bacteria Cell
Eukaryotic cells are single-celled or many-celled organisms
whose cells have a nucleus and organelles surrounded by a
membrane.
Organelles are structures with in a cell, sometimes
surrounded by one or more membranes.
Do you know which organelles are found in
which eukaryotic cells?
Like bacteria, all eukaryotic cells have a cell membrane, DNA,
and ribosomes. All eukaryotes also have a nucleus and other
membrane-bound organelles. But different eukaryotes have
different organelles.
You will see which organelles are found in
animal and plant cells next.
Animal Cell
Plant Cell
Cytoplasm: Cystomplasm is the fluid,
membranes, and organelles inside a cell,
excluding the nucleus.
Animal Cell
Plant Cell
Endoplasmic reticulum (ER): It is a network of
membranes throughout the cytoplasm of the cell.
There are two types:
• Rough ER: The rough endoplasmic reticulum is
where most protein synthesis occurs in the cell.
It is when ribosomes are attached.
• Smooth ER: The function of the smooth
endoplasmic reticulum is to synthesize lipids in
the cell. It also helps in the detoxification of
harmful substances in the cell.
Animal Cell
Plant Cell
Ribosomes: Organelles that help in
the synthesis of proteins.
Animal Cell
Nucleus
Nucleus
Plant Cell
Nucleus: The nucleus is a double membranecovered organelle found in eukaryotic cells and
contains the cell’s DNA.
Animal Cell
Nucleolus
Nucleolus
Plant Cell
Nucleolus: The nucleolus is located in the
nucleus and contains materials that are used
to make ribosomes.
Animal Cell
DNA
DNA
Plant Cell
DNA: DNA contains the information on how to
make the cell’s proteins. Proteins control the
chemical reactions in a cell. They also provide
structural support for cells and tissues.
Animal Cell
Mitochondria
Mitochondria
Plant Cell
Mitochondria: Mitochondria are the
powerhouses of a cell. Mitochondria “burn”
food molecules to release energy.
Animal Cell
Cell Membrane
Cell Membrane
Cell Wall
Plant Cell
Cell wall: The cell wall is a rigid structure that
surrounds the cell membrane and provides
support.
Cell membrane: The cell membrane is a barrier
between the contents of the cell and the outside
environment.
Animal Cell
Lysosomes
Chloroplast
Vacuole
Plant Cell
Animal Cell
Lysosomes: Lysosomes destroy worn-out or damaged
organelles. They also get rid of waste materials and
protect the cell from foreign invaders.
Microtubules: Microtubules are conveyer belts inside
the cells. They move vesicles, granules, organelles like
mitochondria, and chromosomes via special
attachment proteins. They also serve a cytoskeletal
role.
Lysosomes
Microtubules
Plant Cell
Chloroplast: Chloroplasts make food for plant cells.
Chloroplast harness the energy of the sun and use it to
make sugar.
Vacuole: Vacuoles are large vesicles found in plant
cells. They store water and other liquids.
Chloroplast
Vacuole
Microtubules
Animal Cell
Plant Cell
Bacteria Cell