BAsics

Question 1

An intricate network of microfilaments that extend throughout the cytoplasm

Answer 1

Cytoskeleton

Question 2

Is cytoskeleton dynamic?

Answer 2

yes

Question 3

Is cytosketon only bone?

Answer 3

No, it is also muscle

Question 4

3 Imp. role of cytoskeleton

Answer 4

1. Cell shape 2. Cells to organoze its internal compartments 3. cells to move

Question 5

IF protein

Answer 5

Fibrous

Question 6

MT

Answer 6

globular tibulin subunit

Question 7

AF

Answer 7

Globular sctin

Question 8

IF diameter

Answer 8

10nm

Question 9

IF found?

Answer 9

Nuclear Lamina

Question 10

I

IF basic str.

Answer 10

Rope like fiber

Question 11

MT basic str

Answer 11

Hollow cylinder

Question 12

MT diameter

Answer 12

25 nm

Question 13

AF or microF diameter

Answer 13

7nm

Question 14

AF basic str.

Answer 14

HELICAL POLYMER OF ACTIN

Question 15

AF 4 LOCATIONS

Answer 15

MIcrovilli
contractile bundles in cytoplasm
filopodia
contractile ring

Question 16

Cytoskeleton with polarity

Answer 16

MT
ACTIN FILAMENT

Question 17

Actin monomers carry ATP Or GTP

Answer 17

ATP

Question 18

MT carry ATP Or GTP

Answer 18

GTP

Question 19

Treadmilling of Actin filament or MT?

Answer 19

ACTIN F.

Question 20

of Actin filament or MT?
Dynamic instability

Answer 20

MT

Question 21

Simultaneous gain of monomers at the plus end and loss at minus end

Answer 21

Treadmilling

Question 22

Rapid switch from growth to shrinkage at the +end

Answer 22

Dynamic instability

Question 23

drug that prevent actin polymerization

Answer 23

Cytochalasin
Latrunculin

Question 24

drug that stabilize actin filament from depolarization

Answer 24

Phalloidin

Question 25

Proteins that keep actin monomers from polymerizing

Answer 25

Thymosin
Profilin

Question 26

A

Actin binding proteins that promote actin polymeerization

Answer 26

Formins
Actin Related Proteins ARPs

Question 27

Monomeric GTPase family that regulate actin cytoskeleton

Answer 27

Rho protein

Question 28

Toughest and most durable cytoskeletal filament

Answer 28

IF

Question 29

CK that forms Nuclear Lamina

Answer 29

IF

Question 30

CK that forms Desmosomes

Answer 30

IF

Question 31

Covalent or non covalent int. btw IF

Answer 31

NON COVA

Question 32

Terminal domains of IF same or diferent in different type of IF

Answer 32

Differeent in size and amino acid sequence

Question 33

Class 1 and 2 IF

Answer 33

Acdic keratin
BAsic K.

Question 34

Class 3 IF

Answer 34

DEsmin, GFAP,Vimentin

Question 35

Class 4 IF

Answer 35

Neurofilaments

Question 36

Class 5 IF

Answer 36

LAMINS

Question 37

LAmins are Phosphorylated by which kinase

Answer 37

CDK

Question 38

MT Subunits

Answer 38

alpha and beta

Question 39

MT FUNCTION

Answer 39

1. Transporting, positioning memb-bound organelles, within cell
2. Guiding intracellulartransport of cytosolicmacromolecules

Question 40

Disorder when nuclear lamin defect

Answer 40

Progeria

Rare class of premature aging

Paa movie

Question 41

The tubulin dimer stack by what kind of interaction

Answer 41

Noncoavalent

Question 42

MT has how many parallel protofilaments

Answer 42

13

Question 43

Tubulin in = and - end of MT

Answer 43

PLUS BETA TUBULIN
MINUS ALPHA

Question 44

MT grows at which end

Answer 44

+

Question 45

MTOC in animal cell

Answer 45

Centrosome

Question 46

Centrosome made of what kind of tubulin

Answer 46

GAmma

Question 47

Starting point or nucleating dite for groth of one MT

Answer 47

Each gamma tubulin ring complex

Question 48

Which end of MT is embedded in centrosome

Answer 48

-

Question 49

When does centriole has a role as organising center for MT

Answer 49

cILIA ND fLAGELLA
BAsaal bodies

Question 50

Beating of cilia is regulated by

Answer 50

Nexin

MT

Question 51

Ck that position organelles in position

Answer 51

MT

Question 52

Imp. Actin binding protein that promote actin polymerization

Answer 52

Formin