CELL ORGANELLES
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Transcript of CELL ORGANELLES
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CELL ORGANELLES
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Cell Wall Cell wall is strong and is made cellulose
wall outside the plasma membrane of
plant cells. The cell wall locate in Plant,
Fungi, & Bacteria, but not animal cells.
And also cell wall protect can give shape
and structure to the organism.
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Cell Membrane Cell membrane is phospholipids bilayers that
enclosed the cytoplasm and subdivide the cell into
compartments (organelles), it locate in all cell. Plant
cell have it - inside the cell wall
Animal have it - outer layer; cholesterol. The cell
membrane Support, Protection, Controls movement
of materials in/out of cell, Barrier between cell and
its environment, maintains homeostasis.
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Nucleus Nucleus is a large organelle that is surrounded
by a double-layered nuclear membrane,
containing pores that communicate with the
cytoplasm. It stains differently from cytoplasm
and often looks darer in prepared slides. The
nucleus contains genetic material (linear
chromosomes composed of DAN and protein)
and controls cellular activities.
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Cytoplasm
Cytoplasm the fluid component of
cytoplasm, in which organelles are
located. All cells have cytoplasm,
it also Clear, thick, it Supports and
protects cell organelles.
Cytoplasm have about 80% of
water and 20 of other substance.
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Endoplasmicret i cu lum (ER)
Endoplasmic reticulum is located in all
cells except prokaryotes. Endoplasmic
reticulum is a network of intracellular
membrane that links with the plasma membrane
and other membranous organelles. Endoplasmic
reticulum may be rough associated with
ribosome) or smooth (lacking ribosome). It is
involved with the production, processing,
transport and storage of materials within the
cell.
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Ribosome
Ribosomes is a tiny organelles located in
the cytosol, sometimes associated with
endoplasm reticulum. They are sites of
production of protein. And made of RNA
& protein.
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Mitochondrion
Mitochondria is an organelles
composed of many folded layers of
membrane. Mitochondria are
involved in the energy
transformation that release energy
for use by the cell. Mitochondria
also provide the energy a cell needs
to move, divide, produce secretary
products, contract - in short, they are
the power centres of the cell
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Vacuole Vacuole is a membrane –bond, liquid-
filled spaces found in most cells in
variable numbers. Plants cells typically
have lager fluid-filled -vacuoles,
containing cell sap, that provide physical
support through turgidity and storage. In
other cells vacuole may be involved in
intracellular digestion (food vacuole) or
water balance (contractile vacuoles).
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Chloroplast
Chloroplast is found in some plant
cells, a green organelle (due to the
presence of chlorophyll) in which
photosynthesis take place. It is
composed of many folded layers of
membrane.
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Golgi apparatus
Golgi apparatus is a stack of flat
membrane sacs where the final
synthesis and packaging of proteins
into membrane-bound occurs before
they are secreted from the cell. It is
linked to the endoplasm reticulum.
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Chromosomes
Chromosomes is darkly staining
structures in the nucleus that are
composed largely of DNA and
which carry he hereditary
information of the cell in the
form of genes. Found in constant
numbers inn body cells of a
particular species.
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Cytosol Cytosol is the fluid component of
cytoplasm, in which organelles are
located.
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Ves i c l e s
Vesicles is a membrane-bound
organelles often associated with
transport in cell. A vesicle is a bubble
of liquid within another liquid,
a supramolecular assembly made up
of many different molecules. vesicle
is a small membrane-enclosed sack
that can store or transport substances.
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Tonop la s t
Tonoplast is the vacuole
membrane in plant cells;
regulates the movement of
substance into and out of the
vacuole.
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Lysosomes
Liposomes is a membrane –bound vesicles containing powerful enzymes that break down debris and foreign material; present in most animal cells.
http://www.youtube.com/watch?v=ekdIEpSf-1I
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