Membrane transport

Question 1

It refers to the movement of
particles across or through a
membranous barrier

Answer 1

Membrane transport

Question 2

what are the materials being transported by the cell
membrane?

Answer 2

Small, hydrophobic molecules

Small and large uncharged polar molecules

Ions

Question 3

Determine the permeability of the materials transported:

Small, hydrophobic molecules : ____

Answer 3

Permeable

Question 4

Determine the permeability of the materials transported:

Small uncharged polar molecules: ____

Answer 4

Mostly permeable

Question 5

Determine the permeability of the materials transported:

Large uncharged polar molecules: ___

Answer 5

Mostly impermeable

Question 6

Determine the permeability of the materials transported:

Ions: ___

Answer 6

Completely impermeable

Question 7

what are the factors that can affect membrane
transport?

Answer 7

Membrane permeability

Size and charge of solute

Transmembrane solute concentration

Question 8

What are the two types of membrane transport?

Answer 8

Passive and Active

Question 9

It does not require the use of energy (ATP)

From high to low concentration

Answer 9

Passive transport

Question 10

What are the 3 types of passive transport?

Answer 10

Simple diffusion
Osmosis
Facilitated diffusion

Question 11

It is a type of passive transport that solute molecules pass
through the membrane from a
region of high
concentration to a region
of low concentration.

Answer 11

Simple diffusion

Question 12

It is a diffusion of solvent
molecules through a
semi-permeable membrane from
an area of low solute
concentration to an area of high
solute concentration

Answer 12

Osmosis

Question 13

3 types of solution?

Answer 13

Hypotonic
Isotonic
Hypertonic

Question 14

Movement of molecules through a semi-permeable membrane from an
area of high concentration to an area of low concentration
with the aid of a transport molecule

Answer 14

Facilitated diffusion

Question 15

3 types of facillitated diffusion?

Answer 15

Channel
Gated channel
Carrier

Question 16

It is a membrane protein that forms
pores or channels as the
passageway for ions (charged
particles) to cross the
membrane.

Answer 16

Channel protein

Question 17

Aquaporins is an example of what protein?

Answer 17

Channel protein

Question 18

It is a type of facilitated diffusion that its membraneprotein that opens a gate allowing the molecules to
pass through the membrane. It can be opened or closed
in response to stimuli

Answer 18

Gated channel protein

Question 19

It carry ions
or molecules across the
membrane by undergoing a conformational change
upon binding

Answer 19

Carrier protein

Question 20

It requires the use of energy (ATP). Low concentration to high concentration

Answer 20

Active transport

Question 21

Membrane protein
transporters (ion
pumps, ion channels,
ATPases). Its example is sodium-potassium pump

Answer 21

Primary active transport

Question 22

Uses potential energy often from electrochemical potential
difference as ions are pumped in and out of the cell.

Answer 22

Secondary active transport

Question 23

Symporters or also known as ___?

Answer 23

couple transport or cotransport

Question 24

Symporters move in one direction, meanwhile antiporters move in ___?

Answer 24

Two directions / opposite directions

Question 25

It is the movement
of Large
materials into or
out of the cells way
of vesicles

Answer 25

Bulk transport

Question 26

It is a type of cell process that captures the substances from the outside, engulfing it or bringing it within the cell

Answer 26

Endocytosis

Question 27

It is a type of cell process that releases the substance or transport the particles from inside to outside

Answer 27

Exocytosis