Cell membrane and its structure and function

Question 1

It is a membrane made of two layers of
phospholipids with embedded
proteins that separates the insides of
the cell from its environment.

Answer 1

Cell membrane

Question 2

This is a group of inorganic
compounds that are insoluble in
water

Answer 2

Lipids

Question 3

Fats, Waxes, Oils, and
Hormones is an example of what compound?

Answer 3

Lipids

Question 4

It is a two-layered arrangement of phosphate and lipid molecules that form a cell membrane.

Answer 4

Phospholipid bilayer

Question 5

Name the parts of the phospholipid

Answer 5

Hydrophilic head
Hydrophobic tails
Phosphate
Glycerol
Saturated and unsaturated fatty acid

Question 6

___ molecule means having both hydrophilic and hydrophobic parts

Answer 6

Amphipathic molecule

Question 7

It allows certain substances to pass through but not others

Answer 7

Semi-permeability

Question 8

It is easily bent

Answer 8

Pliable

Question 9

It is able to flow

Answer 9

Fluid

Question 10

These biomolecules are made
up of building blocks called
amino acids joined by peptide
bonds

Answer 10

Proteins

Question 11

What are the two types of protein?

Answer 11

Integral and peripheral

Question 12

It is a type of protein that is not permanently embedded on the membrane

Answer 12

Peripheral

Question 13

It is a type of protein that is permanently embedded on the membrane

Answer 13

Integral

Question 14

What are the two types of integral protein?

Answer 14

Monotropic and polytropic

Question 15

It is a type of an integral protein that is spread across the membrane

Answer 15

Polytropic

Question 16

It is a type of an integral protein that is only attached to the one side of the membrane

Answer 16

Monotropic

Question 17

Determine the biomolecule:

Its function is:
- receptor
- channel
- transmembrane
transport
- adhesion
- cell-cell recognition
- enzymatic function
Determine the biomolecule

Answer 17

Protein

Question 18

Carbon, Hydrogen, and
Oxygen. Sugar, starches, and fiber are some of its examples.What kind of biomolecule that is made up of this?

Answer 18

Carbohydrates

Question 19

Carbohydrate is mostly found on the___ ?

Answer 19

external surface

Question 20

What are the two types of carbohydrates?

Answer 20

Glycolipid (attached to lipids)
Glycoprotein (attached to protein)

Question 21

What are the functions of the carbohydrates?

Answer 21

Forms distinctive
cellular markers

cell-cell recognition

cell-pathogen
interaction

Question 22

It is a type of lipid that is waxy that is found in cells.

Answer 22

Cholesterol

Question 23

It is essential in
the production of other
biomolecules like hormones,
steroids, and vitamin D

Answer 23

Cholesterol

Question 24

Regulates the fluidity of
the membrane as
temperature varies.

High temperature ___ fluidity

Low temperature___
fluidity

Answer 24

Decreases and Increases

Question 25

What do you call the structure of the cell membrane?

Answer 25

Fluid mosaic model

Question 26

Determine the function: It serves as a barrier that separates the component of the cell from its surrounding environment.

Answer 26

Protection

Question 27

Determine the function: It is a semi-permeable membrane that regulates the transport of materials in and out of the cell.

Answer 27

Material transport

Question 28

Determine the function: It serves as the attachment point of the cytoskeleton which aids in maintaining the shape and form of a cell.

Answer 28

Cell shape

Question 29

Determine the function: It separates the organelles from each other and from the cytoplasm providing their own

Answer 29

Compartmentalization

Question 30

Determine the function: It enables cells to identify other cells and foreign substances.

Answer 30

Cell recognition

Question 31

Determine the function: It plays a vital role in the performance of the cell’s function (ex: locomotion, absorption, impulse transmission)

Answer 31

Cell function