7. Chapter 6 The Cytoskeleton Is A Network Fo Fibers That Organizes Stuctures And Activities In The Cell.

Front 1

Roles of the cytoskeleton are _____, _____, and ______.

Back 1

support, motility, and regulation.

Front 2

Another role of the cytoskeleton is ______ _____ and give ______ _______.

Back 2

mechanical support and give cellular shape.

Front 3

Another role of the cytoskeletom is to provide anchorage for ______ and ______.

Back 3

organells and enzymes.

Front 4

Another role of the cytoskeleton is to be _____.

Back 4

dynamic.

Front 5

Teh cytoskeleton is dynamic w/ cell ______. This allows the cell to change location.

Back 5

motility.

Front 6

The cytodkeleton interact w/ ______ _______ along the extracellular fibers to create cell motility

Back 6

motor protein

Front 7

Motor Proteins bring about the movement of ______ and _________ by grippin microtubules w/in theos organellles and propelling them past each other.

Back 7

cillia and flagella

Front 8

Other examples of mvmnt of cell parts is vesicle transport via _______ and ___ ___ _____.

Back 8

nuerotransmitter (chemical messenger) and ER to the golgi.

Front 9

Another dynamic trait of the cytoskeleton is that it works to ________ and _______ mechanical stimuli for cellular response

Back 9

receives and transmits

Front 10

Copmponents of the cytoskeleton are _______, _______,______ _______.

Back 10

microtubules, microfiliments, and intermediate filaments.

Front 11

Microtubules are found inthe cytoplasm of all eukaryotic cells. They are ____ and ____.

Back 11

thick and hollow.

Front 12

The wall of the hollow tube is constructed from a globular rotein called ______.

Back 12

tubulin protein.

Front 13

Microtublules ____ and ____ the cell also serve as tracks along which organelles equipped w/ motor proteins can move.

Back 13

shape and support

Front 14

For example: Microtubules guide secreatory vesicle from the golgi apparatus to the plasma membrane. They are also resposible for the _______ of chromosomes during ______ division

Back 14

separation of chromosomes during cell division.

Front 15

In many cells, microtubules grow out from a _________, a region near the nucleus that is considered to be a "microtubule- organization center."

Back 15

centrosome

Front 16

With in the cetrosomes of an animal cell are a pair of ________, each composed of nine sets of triplet microtubules arranged in a ring.

Back 16

centrioles

Front 17

Another component of the cytoskeleton is _______ _______ responsiblities.

Back 17

compression resistance

Front 18

A cytoskeleton component is a specailized arrangement of fo microtubules is responsible for the beating of ______ and ____, locomotor appendagesthat protrudefrom some cells.

Back 18

cillia and flagella
Example: sperm and cillia in the wind pipe of humans to move out mucus.

Front 19

Cillia are in ___ + ___ patterns and are in some protozoa, windpipe, move ___ toward uterus.

Back 19

9+2
move egg toward the uterus.

Front 20

Flagella is in a ___+ ___ pattern and in some protozoa, ____.
Ex: basal body becomes centriole in ____ ____

Back 20

9+2 pattern
sperm
human egg.

Front 21

__________ (Actin Filaments) are solid rods the thinnest fiber of the cytoskeleton. They are built from globular protein ______.

Back 21

Microfilaments
actin

Front 22

Microfilaments are the core of _____ found in intestinal cells and nerve cells.

Back 22

microvilli

Front 23

Microfilament are found in ______ cells as a part of the contractile apparatus

Back 23

muscle *uses myosin a motor protein

Front 24

The structural role of microfilaments in the cytoskeleton is to ____ _____ and give shape to the cell.

Back 24

bear tension

Front 25

Microfilament in localized contraction brought about actin myosin also plays a role in _____ mvmnt, in which the cell , such as an amoeba.

Back 25

amoeboid

Front 26

Microfilament also work in creating ________, the division of the cytoplasm. Which happens after mitosis in distribution of chromosomes during cell division.

Back 26

cytokinesis

Front 27

__________ filaments are larger than microfilament but smaller than microtubules.

Back 27

Intermediate

Front 28

Intermediate filaments are specialized for ______ ______.

Back 28

bearing tension.

Front 29

Intermediate filaments are especially important in reinforcing the shape cf a cell and fixing position of certain organelles. Example is the _____, that commonly sits w/in a cage made of intermediate filaments.

Back 29

nucleus