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This is class note and give all information about the chapter cell: the unit of life and it also covers ncert
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·Ch-oI cell the Unit of life
Cell : Fundamental and structural unit of life
Classification : a) Based on number of cells
unicellular Multicellular
celled Body of many
single
-
-
cells
EX : Amoeba Ex :
Fungi (except yeast)
- -
,
Animals
Euglena yeast ,
Plant ,
.
8) Based on Nucleus
Prokaryote Eukaryotes
-
Genetic material is -Genetic material
naked (Nucleoid) in a cover
(Nuclers)
cell
Discovery : 1 .
Robert Hooke : Dead cell
of Cork
.
2 Aton Von Leeuwenhoek :
saw live cell
c protista
.
3 Robert brown : Discovered nucleus
To observe ultrastructure we use "Electron Microscope"
, 1) Based on Nucleus :
I
feature Prokaryote Eukaryote
1 . True nucleus X -
2 . Plasmid ~ X
. Cover on
3 nucleus * ~
.
4
Glycocaly X polysaccharide Oligosaccharide
5. Cell wall peptidoglycan (NAM ,
NAG) Cellulose/chitin
.
6 Mesosome ~ X
7
.
Polysome ~ X
.
8 Ribosome 70S Dos
- -
.
9 Inclusion body
10 . Vacuole X ~
11 .
Flagella Flagellin protein Tubulin protein
12 . Pili fimbral
and
~ X
13 . Lilia X ~
14 .
Cytoskeleton X ~
15
.
Cyclosis X -
16 .
Chromatophore - X
smaller
17 .
Size larger
10 . Multiplication Fas
slow t
19 .
DNA ds ,
circular single,
ds ,
linear many
chromosome chromosome
20 · Nucleolus X -
21 .
Example All Bacteria (Monera) Protista ;
Fungi
plantae ; Animalia
, a Matthias Schleiden
by
cell : Given
theory & 1838
-
German botanist
- studied planet cell
Together gave
-
concluded that all plants
cell theory made of cell
cell to form tissue
-
joins .
: All
organism made
cell 6) Theodore schwann ap 1839
of - British Zoologist
:
Exception-virus -
conclude that animal cell have
outer layer
Drawback Can't
single
:
plants have cell wall
-
explain How new
cells' formed ?
virchow
Answered by -
Rudolf
have modern cell theory
modified sell
theory
.
-
Omnis Cellulae e cellulae
:
(cell arise from pre-existing (ell)
: All
living organism made
of cell and product of cell-
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