কাষ/ Cell - Udvash

50

Transcript of কাষ/ Cell - Udvash

• ‘Micrographia’
• Robert Hooke-
• Carl P. Swanson.
-
• ( cm×. cm).
• - Mycoplasma PPLO (Pleuro Pneumonia Like Organism)
• 1.37


(Mathias Jakob Schleiden) (Theodor Schwann).

,

() :
(2n) , , ,

(n)


(prokayotes) VS (eukaryotes)

.
.
. DNA
.
. 70 50 + 30 . 80(60 + 40) 70
.
.
(prokayotes) VS (eukaryotes)
(prokayotes) VS (eukaryotes)


Mitochondria Lysosome Golgi body Plastid Vacuole Vesicle Peroxisome Endoplasmic reticulum

Microfilament Microtubules Ribosome Proteosome Centriole Intermediate filament
POLL QUESTION 1
?
(a)



• (Telophase)

• ,
• → ,

• -

β – D =
- Cellulose =
100 = ( )
20 = (250Å, 2000 Cellulose , )
250 =
= ()




/

) (Rotation):

) (Circulation):
Tradescantia-



Sandwitch ( )- Danielli Davson
Danielli Schmitt
[Unit membrane hypothesis] 1959 Robertson
/ 1972 Singer Nicolson
Vanderkoff & Green



,
(Macro-molecule)




RBC ABO blood grouping

POLL QUESTION 02
?
(a)
(d)

• RNA

• Richard B. Roberts
• rRNA
• , ,



• 70S (50S + 30S)

rRNA
• 80S (60S + 40S)

rRNA
E. coli
Poll Question 03
?
(a)
(b)
(c)
(d)



, , -K

()
()
()
/ //
-
.
.
.
.
.





RBC-
→ Spherosome/ Oleosome (
)
/
- LINK ( Liver, Intestine, Nerve, Kidney)

.
.
. - ( )
.
.
***

• (K.R. Porter) ;

• (Albert Claude)

• – (- )
(- )


(Microsome)

.
.
.
. , , ,
.
.

(Kolliker)
- *
*Amoeba-

-


RNA, DNA
( , ETS, )

(Ca, K)

Ca
Apoptosis

?
(a) (b) (c) (d)
POLL QUESTION 04


(ii) :

(W. Schimper).

, , -


→ Spirogyra
→ Oedogonium
→ Zygnema
→ Ulothrix
→ Pithophora
?
(a)
(b)
(c)
-
() (Cylinder wall)
() (Triplets)
[ ]
() (Linkers).
Van Benden.
Theodor Bovery
, , , ,
, , ( PADY)







:
( )



:


()
NUX ( nut) Nucleus



Vaucheria, Botrydium, Sphaeroplea Penicillium

-% %

/ RBC / / /
) – nm
) /


)
• , - • , RNA
DNA • RNA •
) / • • , = DNA + ( -)



Catalase.
-




Strasburger
Karl Nageli
Walter Flemming
Sutton Boveri
W. Waldeyer

Haplopappus gracilis [2n = 4 ]
Poa littarosa [2n = 506-530 ]
Ascaris megalocephalas [2n = 2 ]
Aulacantha [2n = 1600 ]


→ , DNA
→ , DNA











SAT SAT
. .





RNA DNA
RNA
- ()




(&)



DNA : DNA–
RNA– .-. DNA


(i) / = V
(ii) -/- = L
(iii) / = J
(iv) / = I
***

(i) →
(ii) →
(iii) → (Musa sp.)
(iv) →
(v) →


DNA