QUARTER 2 (1stPPT) Structural Components of the Cell Membrane

Question 1

Is a thin semi-permeable membrane that surrounds the cytoplasm of a cell.

Answer 1

Cell Membrane

Question 2

Serves as a barrier that protects the cell from the extracellular environment.

Answer 2

Cell Membrane

Question 3

Made up of 2 layers of phospholipids.

Answer 3

Lipid Bilayer

Question 4

Attracts Water

Answer 4

Hydrophilic head

Question 5

Repel

Answer 5

Hydrophobic tail

Question 6

Function
Makes the cell membrane semi permeable.

Answer 6

Lipid Bilayer

Question 7

Dispersed between phospholipids

Answer 7

Cholesterol

Question 8

Prevents rigidity of cell membrane.

Answer 8

Cholesterol

Question 9

Found at the cell membrane surface (on top)

Answer 9

Glycolipid

Question 10

For cell-to-cell recognition.

Answer 10

Glycolipid

Question 11

Can be attached to phosphoglyceride lipid (Head) or to integral proteins

Answer 11

Peripheral Protein

Question 12

Move substances in and out of a cell.
activate other proteins and enzymes.
Cell-to-cell interaction interactions.

Answer 12

Peripheral Protein

Question 13

Are permanently embedded within the plasma membrane

Answer 13

Integral Protein

Question 14

2 types: Transmembrane protein
Monotopic proteins

Answer 14

Integral Protein

Question 15

Function
Channel or transport molecules across the membrane.

Answer 15

Integral Protein

Question 15

Act as a cell receptor

Answer 15

Glycoprotein

Question 16

It is the structure responsible in making cell membrane flexible.

Answer 16

Cholesterol