animal cell.pptx
TRANSCRIPT
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The cell is the basic unit of
life. All organisms are made
up of cells (or in some cases,a single cell). Most cells are
very small; most are invisible
without using a microscope.
Cells are covered by a cell
membrane and come in manydifferent shapes. The
contents of a cell are called
the protoplasm.
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Centrioles - organize the assembly of
microtubules during cell division.
Cytoplasm- gel-like substance within
the cell.Endoplasmic Reticulum- extensive
network of membranes composed of
both regions with ribosome's.
Golgi Complex - responsible for
manufacturing, storing and shipping
certain cellular products.
Lysosomes - sacs of enzymes thatdigest cellular macromolecules such
as nucleic acids.
Microtubules - hollow rods that
function primarily to help support and
shape the cell.
Mitochondria - power producersand the sites of cellularrespiration.
Nucleus - membrane boundstructure that contains the cell'shereditary information.
Nucleolus - structure within thenucleus that helps in thesynthesis of ribosomes.
Nucleopore - tiny hole within thenuclear membrane that allowsnucleic acids and proteins tomove into and out of the nucleus.
Ribosomes - consisting of RNAand proteins, ribosomes areresponsible for protein assembly.
http://biology.about.com/library/blcentriole.htmhttp://biology.about.com/od/biologydictionary/g/cytoplasm.htmhttp://biology.about.com/library/weekly/aa041300a.htmhttp://biology.about.com/library/weekly/aa042000a.htmhttp://biology.about.com/od/cellanatomy/a/aa012408a.htmhttp://biology.about.com/od/mitosisglossary/g/microtubules.htmhttp://biology.about.com/library/weekly/aa040600a.htmhttp://biology.about.com/od/cellanatomy/p/nucleus.htmhttp://biology.about.com/od/cellanatomy/p/ribosomes.htmhttp://biology.about.com/od/cellanatomy/p/ribosomes.htmhttp://biology.about.com/od/cellanatomy/p/nucleus.htmhttp://biology.about.com/library/weekly/aa040600a.htmhttp://biology.about.com/od/mitosisglossary/g/microtubules.htmhttp://biology.about.com/od/cellanatomy/a/aa012408a.htmhttp://biology.about.com/library/weekly/aa042000a.htmhttp://biology.about.com/library/weekly/aa041300a.htmhttp://biology.about.com/od/biologydictionary/g/cytoplasm.htmhttp://biology.about.com/library/blcentriole.htm -
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Comprising incorporating nutrition food inside the cell, the processing
thereof and the assimilation of substances useful for forming the cell and its
own material.
Depending on your nutrition, cells are autotrophic and heterotrophic cells.
Autotrophic cells make their own organic matter from inorganic matter of
the physical environment that surrounds it, using ell or chemical energy
contained in inorganic matter.
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Through mitosis from
a stem cell originatetwo daughter cells
with the same
number of
chromosomes andthe genetic
information same
stem cell.
meiosis.
Through meiosis,
from a stem cell formfour daughter cells
all having half the
number of
chromosomes as theparent cell.
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The animal cell differs from other eukaryotes, mainly of plant
cells which lack a cell wall and chloroplasts, and having
smaller vacuoles. Due to the absence of a rigid cell wall, the
animal cells may take a variety of shapes, and even a
phagocyte cell may in fact surround and engulf other
structures.
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