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The
organelles of
Eukaryotic
cells
- Rough Endoplasmic Reticulum
- A series of membranes enclosing a fluid-filled space. The
surface is covered with Ribosomes.
- Folds and Processes
proteins that were
synthesised by the
ribosomes
- A series of membranes enclosing a fluid-filled space. The
surface is covered with Ribosomes.
- Smooth Endoplasmic Reticulum
- Similar to RER but with no ribosomes
- Synthesises and Processes Lipids
- Similar to RER but with no ribosomes
- Vesicle
- A small, fluid filled sac in the
cytoplasm. Surrounded by a
membrane
- Transports substances in and out of the
cell, and between organelles. Formed by
the Golgi apparatus or formed at the
surface of the cell
- A small, fluid filled sac in the
cytoplasm. Surrounded by a
membrane
- Golgi Apparatus
- A group of fluid filled
flattened sacs.
Vesicles are often
seen at the edge of
sacs.
- It processes and
packages new lipids
and proteins. It also
makes lysosomes
- A group of fluid filled
flattened sacs.
Vesicles are often
seen at the edge of
sacs.
- Mitochondrian
- Usually oval shaped. Have a double
membrane. The inner membrane is folded
to form structures called cristae. Inside is
the matrix, which contains enzymes
involved in respiration.
- The site of aerobic respiration
where ATP (energy) is
produced. They're found in large
numbers in cells that are very
active and require lots of ATP
- Usually oval shaped. Have a double
membrane. The inner membrane is folded
to form structures called cristae. Inside is
the matrix, which contains enzymes
involved in respiration.
- Chloroplasts
- A small, flattened structure found in
plant cells. Surrounded by a double
membrane, and also contains
membranes called thylakoid
membranes. These membranes are
stacked up to form Grana. These
Grana are linked by lamellae.
- The site where photosynthesis
takes place. Some parts of
photosynthesis happen in the
Grana, and other parts happen in
the Stroma.
- A small, flattened structure found in
plant cells. Surrounded by a double
membrane, and also contains
membranes called thylakoid
membranes. These membranes are
stacked up to form Grana. These
Grana are linked by lamellae.
- Centriole
- Small, hollow cylinders, containing a ring of microtubules
- Involved with the separation of
chromosomes during cell division
- Small, hollow cylinders, containing a ring of microtubules
- Cilia
- Small, hair-like structures
found on the surface of some
animal cells. In a cross
section, they have an outer
membrane and a ring of nine
pairs of protein microtubules
inside, with a single pair of
microtubules in the middle
- The microtubules allow
the cilia to move. This
movement allows the
cell to move substances
along the cell surface
- Small, hair-like structures
found on the surface of some
animal cells. In a cross
section, they have an outer
membrane and a ring of nine
pairs of protein microtubules
inside, with a single pair of
microtubules in the middle
- Flagellum
- Similar to cilia but longer. They stick out from the cell surface and are
surrounded by the plasma membrane. Contain two microtubules in the centre,
and nine pairs around the edge. The microtubules contract so the flagellum
move. Flagella are used to propel the cell (eg a sperm)
- Similar to cilia but longer. They stick out from the cell surface and are
surrounded by the plasma membrane. Contain two microtubules in the centre,
and nine pairs around the edge. The microtubules contract so the flagellum
move. Flagella are used to propel the cell (eg a sperm)
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