CELL STRUCTURE
AND FUNCTION
, CELL STRUCTURE AND FUNCTION
theory
all
↳ all composed of calls
organisms
are
↳ cells are basic units of structure and function in
organisms
from
cells
only preexisting
cells
self-reproducing
↳ come -s
are
when
single-celled organisms reproduce single cell divides into two new
organisms
-
multicellular cells divide
when
organisms grow
to
many
presence of cells allows some to specialize and do certain tasks
many
in size 1 mm O ; cells &
calls are
really small but do
vary frog's egg some
only 1 mm
- =
↳
small to increase to
are so surface area
enough allow adequate nutrient
exchange
=
surface -
area -
to-volume ratio
proteinanules
Bolipa
~
cell envelope in bacteria -
plasma membrane
,
cell wall ,
and
glycokaly X
plasma membrane phospholipid
bilayer with
=
embedded proteins
lexit of substances
regulates entrance
↳
form pouches (increase internal surface for
prokaryotes
↳ can in =
mesomers area
attachement of
enzymes
cell wall-maintains of cell contains complex molecule that
shape ,
peptidoglycan -
contains amino disacharides and peptide fragments (unique to bacterial
glycocalyx layer of polysaccharides lies outside of sell wall in some bacteria
=
,
↳ well
organized layer not easily washed off capsule
=
,
layer
↳
organized easily washed off
not well , slime
out helps bacteria avoid host's immune
against drying
↳
protects ,
system
,
enables attachment to different surfaces
semifluid solution up of water (in) molecules , contained in
cytoplasm made and
organic
=
plasma membrane
AND FUNCTION
, CELL STRUCTURE AND FUNCTION
theory
all
↳ all composed of calls
organisms
are
↳ cells are basic units of structure and function in
organisms
from
cells
only preexisting
cells
self-reproducing
↳ come -s
are
when
single-celled organisms reproduce single cell divides into two new
organisms
-
multicellular cells divide
when
organisms grow
to
many
presence of cells allows some to specialize and do certain tasks
many
in size 1 mm O ; cells &
calls are
really small but do
vary frog's egg some
only 1 mm
- =
↳
small to increase to
are so surface area
enough allow adequate nutrient
exchange
=
surface -
area -
to-volume ratio
proteinanules
Bolipa
~
cell envelope in bacteria -
plasma membrane
,
cell wall ,
and
glycokaly X
plasma membrane phospholipid
bilayer with
=
embedded proteins
lexit of substances
regulates entrance
↳
form pouches (increase internal surface for
prokaryotes
↳ can in =
mesomers area
attachement of
enzymes
cell wall-maintains of cell contains complex molecule that
shape ,
peptidoglycan -
contains amino disacharides and peptide fragments (unique to bacterial
glycocalyx layer of polysaccharides lies outside of sell wall in some bacteria
=
,
↳ well
organized layer not easily washed off capsule
=
,
layer
↳
organized easily washed off
not well , slime
out helps bacteria avoid host's immune
against drying
↳
protects ,
system
,
enables attachment to different surfaces
semifluid solution up of water (in) molecules , contained in
cytoplasm made and
organic
=
plasma membrane
