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1. Cell is composed of…Organic compounds Inorganic compounds
Carbohydrates 90-95%
Lipids
Proteins
Nucleic Acids
Water
e.g., NaClSalts
K, Ca, Fe, Na
CO2 and O2
Elements
NH3, Urea, and
Uric Acid
Gases
Nitrogenous
Wastes
So in order for the cell to maintain these components to survive,
cell should have…

2. Cell TransportBy: Mr. Nikko Lorenz Lawsin

3. Cell is composed of…Organic compounds Inorganic compounds
Carbohydrates 90-95%
Lipids
Proteins
Nucleic Acids
Water
e.g., NaClSalts
K, Ca, Fe, Na
CO2 and O2
Elements
NH3, Urea, and
Uric Acid
Gases
Nitrogenous
Wastes
So in order for the cell to maintain these components to survive,
cell should have…

5. Cell TransportCell is dynamic and it is surrounded by extracellular fluids.
Materials are constantly exchanging between and among cells.

6. Cell
Transport
Passive
Transport
Diffusion Osmosis
Facilitated
diffusion
Active
Transport

7. Passive Transportdoes not require energy
to transport materials
inside and outside the
cell.
Concentration gradients
or difference in
concentration serves as
the basis of the
distribution of substance.

8. Passive
Transport
(NO ATP)
Diffusion Osmosis
Facilitated
diffusion

9. Diffusionis the net movement of particles from the higher area of
concentration to the area of lower concentration until it
reaches the equilibrium. Diffusion takes place because
of the difference in concentration or concentration
gradients. Passive
Transport
(NO ATP)
Diffusion Osmosis
Facilitated
diffusion

10. Factors affecting rate of Diffusion
Temperature; the higher the temperature, the faster the
rate of diffusion.
Size of molecule; the greater the size, the slower the rate
of diffusion
Surface area
Distance between molecules; the farther the distance,
the faster the rate of diffusion as explained by Kinetic
Molecular Theory especially in Gases.
Presence of agitation and catalysts

11. Osmosis
is the diffusion of water
molecules through
semi-permeable
membrane. The
factors that affect the
rate of osmosis is the
same with diffusion

12. Facilitated Diffusion
is a diffusion that
requires protein carrier
to cross in/out the
membrane.

13. Types of Solution based on Tonicity
Tonicity is the ability of a solution to cause a cell to gain or lose water

14. Types of Solution based on Tonicity
Tonicity is the ability of a solution to cause a cell to gain or lose water

18. Active TransportThe transport of materials from
less concentration to high
concentration or against the
concentration gradients by
means of carriers catalyzes by
enzymes with the expenditures of
energy in the form of ATP.
ATP is necessary to counteract the
concentration gradient.

19. Active Transport

20. Endocytosis
Exocytosis
Phagocytosis
Pinocytosis
Other Transport System