Recent Changes

Cell Membrane
surrounds the cellcell.
Cells have selectively permiable membranemembrane.
The cell the hydrophobic tailstails.
Hydrophobic tails are fatty acid and tucked inside the membrane sheilded from the water. The tails play the key role in makeing selective barrier.
without the waterwater.
The membrane's of the cellcell.
There are and active transporttransport.
Passive Transport from the cellcell.
Active Transport across a membranemembrane.
The cell of, and withinnwithin the cellcell.
The process of material exiting the cell is called exocytosis, while material being brought into the cell is called endocytosis {http://course1.winona.edu/kbates/Bio241/images/figure-04-13b.jpg}

e. blood
2. What is facilitated diffusion?
a. TransferringTransferring of molecules
b. Transferring of water through a membrane
c. Glucose deficiency in the cell
d. When cells stop multiplying
e. When the cell membrane over expands and breaks
3. WhatWhat is the
a. A phospholipid bilayer
b. Cytoplasm
6. What is exocytosis?
a. When materials enter a cell
f.b. When materials the cell
g.
c. The opposite hypertonic solution
h.
d. The opposite hypotonic solution
i.
e. When a
7. What is an isotonic solution?
a. A solution to a math problem

Osmosis/Diffusion/Cell Membrane Questions
1. What does osmosis require?
a. Water
b.
b. air
c.grass
c. grass
d. DNA
e. blood
2. What is facilitated diffusion?
a. Transfering Transferring of molecules membrane
b. TransferingTransferring of water
c. Glucose difficiancydeficiency in the
d. When cells stop multiplying
e. When the cell membrane over expands and breaks
3. What What is the
a. A phospholipid bilayer
b. Cytoplasm
5. What is a vesicle?
a. The control center of a cell
b. small mambranemembrane sacs to of, and withinnwithin the cell
c. Produces proteins in a cell
d. Produces ATP
6. What is exocytosis?
a. When materials enter a cell
b.f. When materials the cell
c.
g. The opposite hypertonic solution
d.
h. The opposite hypotonic solution
e.
i. When a What is aan isotonic solution?
a. A solution to a math problem
solution for celaningcleaning your eyes is in equalibriumequilibrium with its surrounding enviromentenvironment
d. having solute concentration isnsideinside than out
e. All of the above
8. What is diffusion?
d. All of the above
e. None of the above
is the phosphlipidphospholipid bilayer?
a. The building block of life
b. What the cell membrane is made out of
c. An impermiableimpermeable membrane
d. All of the above
e. None of the above

Active transport
Key Topics
-PhospholipidPhospholipid bilayer
-Diffusion
-Equilibrium
-Selectively
Diffusion
Equilibrium
Selectively permeable membrane
-Passive
Passive transport
-Facilitated
Facilitated diffusion
-Osmosis
-Hypertonic
-Hypotonic
-Isotonic
-Active
Osmosis
Hypertonic
Hypotonic
Isotonic
Active transport
-Vesicle
-Exocytosis
-Endocytosis
Vesicle
Exocytosis
Endocytosis

Osmosis/Diffusion/Cell Membrane Questions
1. What does osmosis require?
a. Water b.
b. air c.grass d.
c.grass
d. DNA e.
e. blood
2. What is facilitated diffusion?
a. TransferingTransfering of molecules
b. Transfering of water through a membrane
c. Glucose difficiancy in the cell
d. When cells stop multiplying
e. When the cell membrane over expands and breaks
3. WhatWhat is the
a. A phospholipid bilayer
b. Cytoplasm

Osmosis/Diffusion/Cell Membrane Questions
1. What does osmosis require?
a. Water b. air c.grass d. DNA e. blood
2. What is facilitated diffusion?
a. Transfering of molecules through a membrane
b. Transfering of water through a membrane
c. Glucose difficiancy in the cell
d. When cells stop multiplying
e. When the cell membrane over expands and breaks
3. What is the cell membrane made of?
a. A phospholipid bilayer
b. Cytoplasm
c. ATP
d. DNA
e. Eukaryotes
4. What is passive transport?
a. When the cell doesn’t use energy
b. When an outside source kills the cell
c. When hydrophilic heads start to die off from a rare disease
d. When hydrophobic heads start to die off from a rare disease
e. When the cell uses energy on transporting materials
5. What is a vesicle?
a. The control center of a cell
b. small mambrane sacs to transport products into, out of, and withinn the cell
c. Produces proteins in a cell
d. Produces ATP
e. Produces DNA
6. What is exocytosis?
a. When materials enter a cell
b. When materials exit the cell
c. The opposite of a hypertonic solution
d. The opposite of a hypotonic solution
e. When a cell dies
7. What is a isotonic solution?
a. A solution to a math problem
b. A solution for celaning your eyes
c. when the cell is in equalibrium with its surrounding enviroment
d. having a greater solute concentration isnside than out of the cell
e. All of the above
8. What is diffusion?
a. Equalizing of solute concentrations
b. Unequalizing of solute concentrations
c. Equalizing of water concentrations
d. All of the above
e. None of the above
9. What is the phosphlipid bilayer?
a. The building block of life
b. What the cell membrane is made out of
c. An impermiable membrane
d. All of the above
e. None of the above
10. What does the cell membrane do?
a. Regulate traffic of molecules in and out of the cell
b. Produce DNA for the cell
c. Acts as the powerhouse of the cell
d. All of the above
e. none of the above
11. What does the phospholipid bilayer consist of?
a. Hydrophilic heads and hydrophobic tails
b. Hydrophobic heads and hydrophilic tails
c. Ribosomes and chloroplasts
d. All of the above
e. None of the above
12. What does a hypertonic solution mean?
a. Having a greater solute concentration outside than in the cell
b. Having a greater solute concentration inside than outside of the cell
c. Being in an equilibrium solution
d. All of the above
e. None of the above

These are all forms of diffusion.
Facilitated diffusion is the transfering of molecules from either side through the membrane via protein channels.
{http://t2.gstatic.com/images?q=tbn:ANd9GcT4lYTs6GutUR3TtzOCLvvi9BDVwNcqZbA8ZIgz39Yo95ao9zRW&t=1} {http://www.biologycorner.com/resources/osmosis.jpg} {http://www.biologycorner.com/resources/osmosis.jpg}

These are all forms of diffusion.
Facilitated diffusion is the transfering of molecules from either side through the membrane via protein channels.
{http://t2.gstatic.com/images?q=tbn:ANd9GcT4lYTs6GutUR3TtzOCLvvi9BDVwNcqZbA8ZIgz39Yo95ao9zRW&t=1} {http://www.biologycorner.com/resources/osmosis.jpg}