Q1 Biology M5 Cell Modifications

Question 1

What is a
process after cell division to produce newly formed cells?

Answer 1

Cell Modification

Question 2

Three types of cell modifications:

Answer 2

1. Apical modifications
2. Basal modifications
3. Lateral modifications

Question 3

(Modification) These cells are responsible in carrying out different functions
such as secretion, absorption, and movement.

Answer 3

Apical modifications

Question 4

Hair-like structures that are projected from most eukaryotic cells.

Answer 4

Cilia

Question 5

They have a beating motion like waves. In microscopic organisms, used for locomotion.

Answer 5

Cilia

Question 6

Attached at the apex of columnar epithelium

Answer 6

Cilia

Question 7

Can be found in
different tissues such as respiratory epithelium which traps and removes
dirt. They are also found in fallopian tubes in which they are responsible for
moving the ovum to the uterus.

Answer 7

Cilia

Question 8

Whip-like structures that are mainly used for locomotion of cells.

Answer 8

Flagella

Question 9

Flagella on prokaryotic cells are composed of flagellin
while eukaryotic cells consist of?

Answer 9

microtubules

Question 10

Undulatory Movement (360)

Answer 10

Flagella

Question 11

Non-motile and absorbs materials

Answer 11

Microvili

Question 12

Finger-like structure, extremely thin and short

Answer 12

Microvili

Question 13

Mostly found in the intestine and kidney tubules and is attached to columnar epithelial cells

Answer 13

Microvili

Question 14

Brush like structure and is rigid (stable)

Answer 14

Stereocilia

Question 15

Attached to the plasma membrane of epithelial cells

Answer 15

Stereocilia

Question 16

Immobile, for hearing and balance

Answer 16

Stereocilia

Question 17

4 types of Apical Modification

Answer 17

Cilia, Flagella, Microvili, Stereocillia

Question 18

It is an extracellular matrix (protein - from epithelial cells)

Answer 18

Basal Membrane

Question 19

Composed of proteoglycans (collagen)

Answer 19

Basal Membrane

Question 20

Mediates physiological interactions

Answer 20

Basal Membrane

Question 21

Serves as a barrier, limiting invasion

Answer 21

Basal Membrane

Question 22

Structural support

Answer 22

Basal Membrane

Question 23

Permeability Filter

Answer 23

Basal Membrane

Question 24

Basal membrane thrown into folds

Answer 24

Basal Infoldings

Question 25

Common in kidneys and ducts of some salivary glands

Answer 25

Basal Infoldings

Question 26

Increase the surface area where ions are transported

Answer 26

Basal Infoldings

Question 27

Found between the cell and a basement membrane

Answer 27

Hemidesmosomes

Question 28

Anchors one cell or attaches a cell's extracellular filaments to the basement membrane

Answer 28

Hemidesmosomes

Question 29

3 types of Basal Modification

Answer 29

1.) Basal Membrane 2.) Basal Infoldings 3.) Hemidesmosomes

Question 30

Also known as zonula ocludens

Answer 30

Tight Junction

Question 31

Two adjacent cells join to form a barrier

Answer 31

Tight Junction

Question 32

Democrates the apical region from the basolateral region

Answer 32

Tight Junction

Question 33

Barrier for ions & solutes (DIFFUSION)

Answer 33

Tight Junction

Question 34

Also known as zonula adherens

Answer 34

Adherens Junction

Question 35

Function: Initiation and stabilization of cell to cell engagement

Answer 35

Adherens Junction

Question 36

Function: Regulation of actin cytoskeleton

Answer 36

Adherens Junction

Question 37

Function: Intracellular signaling

Answer 37

Adherens Junction

Question 38

Function: Transcription Regulation (what protein is needed)

Answer 38

Adherens Junction

Question 39

Button like spots found all around the cell

Answer 39

Desmosomes

Question 40

Function: To connect adjacent Cells

Answer 40

Desmosomes

Question 41

Found in tissues that are subject to a lot of mechanical forces

Answer 41

Desmosomes

Question 42

Found between all cells that are directly touching each other

Answer 42

Gap Junction

Question 43

Adjacent cells are connected by protein channels

Answer 43

Gap Junction

Question 44

Function: Passing of molecules from one cell to the other

Answer 44

Gap Junction

Question 45

Allows cell to cell communication

Answer 45

Gap Junction

Question 46

Only found in ANIMAL CELLS

Answer 46

Gap Junction

Question 47

4 types of Lateral Modification

Answer 47

1.) Tight Junction 2.) Adherens Junction 3.) Desmosomes 4.) Gap Junction

Question 48

3 types of Cell Modifications

Answer 48

Apical, Basal, Lateral