outside of cell inside of cell (cytoplasm) cell membrane proteins protein channel double fat layer...
TRANSCRIPT
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Outsideof cell
Insideof cell(cytoplasm)
Cellmembrane
Proteins
Proteinchannel
Double Fat Layer
Carbohydratechains
Parts of the Cell Membrane
Go to Section:
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Homeostasis
• Maintenance of a stable internal condition
• Balance
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Vocab
• Vesicle:– Membrane-covered
compartments that forms when part of the cell membrane surrounds an object and pinches off
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Diffusion
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Diffusion
Definition: Movement of small particles from an area of high
concentration to an area of low concentration, like oxygen
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Diffusion
Definition: Movement of small particles from an area of high
concentration to an area of low concentration, like oxygen
High
Low
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Diffusion
Definition: Movement of small particles from an area of high
concentration to an area of low concentration, like oxygen
High
Low
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Diffusion
Definition: Movement of small particles from an area of high
concentration to an area of low concentration, like oxygen
High
Low
Requires NONO ATP (energy), moves
only small particles
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Diffusion
Definition: Movement of small particles from an area of high
concentration to an area of low concentration, like oxygen
High
Low
Requires NONO ATP (energy), moves
only small particles
Osmosis: the
diffusion of water
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Passive Transport
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Passive Transport
Definition: the movement of medium particles from an area
of high concentration to an area of low concentration through a
protein channel
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Passive Transport
Requires NONO ATP (ENERGY)
Definition: the movement of small & large particles from an
area of high concentration to an area of low concentration through a protein channel
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Passive Transport
Requires NONO ATP (ENERGY)
Definition: the movement of medium particles from an area
of high concentration to an area of low concentration through a
protein channelJust like diffusion but through a protein
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Passive Transport
Definition: the movement of med. particles from an area of
high concentration to an area of low concentration
Requires NO ATP (ENERGY)
Just like diffusion but through a protein
Low
High
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Passive Transport
Definition: the movement of med. particles from an area of
high concentration to an area of low concentration
Requires NO ATP (ENERGY)
Just like diffusion but through a protein
Low
High
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Active Transport
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Active Transport
Definition: the movement of medium particles from an area of low concentration to an area of high concentration through a
protein channel
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Active Transport
Definition: the movement of med. particles from an area of low concentration to an area of
high concentration through protein channel
Requires ATP (ENERGY)
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Active Transport
Definition: the movement of med. particles from an area of low concentration to an area of high concentration through a
protein channel
Requires ATP (ENERGY)
Similar to Passive Transport but requires energy
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Active Transport
Definition: the movement of med. particles from an area of low concentration to an area of
high concentration
Requires ATP (ENERGY)
Low
High
Similar to Passive Transport but requires energy
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Active Transport
Definition: the movement of sm. & lg. particles from an area of low concentration to an area
of high concentration
Requires ATP (ENERGY)
Low
High
Energy
Similar to Passive Transport but requires energy
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ENDOCYTOSIS
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ENDOCYTOSIS
Definition: the cell taking in particles by surrounding the particle and enclosing it in a vesicle
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ENDOCYTOSIS
Definition: the cell taking in particles by surrounding the particle and enclosing it in a vesicle
Step 1: the cell comes into contact with a particle
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ENDOCYTOSIS
Definition: the cell taking in particles by surrounding the particle and enclosing it in a vesicle
Step 1: the cell comes into contact with a particle
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ENDOCYTOSIS
Definition: the cell taking in particles by surrounding the particle and enclosing it in a vesicle
Step 1: the cell comes into contact with a particle
Step 2: the cell membrane begins to wrap around the particle
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ENDOCYTOSIS
Definition: the cell taking in particles by surrounding the particle and enclosing it in a vesicle
Step 1: the cell comes into contact with a particle
Step 2: the cell membrane begins to wrap around the particle
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ENDOCYTOSIS
Definition: the cell taking in particles by surrounding the particle and enclosing it in a vesicle
Step 1: the cell comes into contact with a particle
Step 2: the cell membrane begins to wrap around the particle
Step 3: once the particle is completely surrounded, a vesicle pinches off
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ENDOCYTOSIS
Definition: the cell taking in particles by surrounding the particle and enclosing it in a vesicle
Step 1: the cell comes into contact with a particle
Step 2: the cell membrane begins to wrap around the particle
Step 3: once the particle is completely surrounded, a vesicle pinches off
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Endocytosis
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EXOCYTOSIS
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EXOCYTOSIS
Definition: Vesicles formed by the Golgi carry particles to the cell membrane to be removed
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EXOCYTOSIS
Definition: Vesicles formed by the Golgi or ER carry particles to the cell membrane to be removed
Step 1: large particles that must leave the cell are packaged in vesicles
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EXOCYTOSIS
Definition: Vesicles formed by the Golgi or ER carry particles to the cell membrane to be removed
Step 1: large particles that must leave the cell are packaged in vesicles
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EXOCYTOSIS
Definition: Vesicles formed by the Golgi or ER carry particles to the cell membrane to be removed
Step 1: large particles that must leave the cell are packaged in vesicles
Step 2: the vesicle travels to the cell membrane and fuses with it
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EXOCYTOSIS
Definition: Vesicles formed by the Golgi or ER carry particles to the cell membrane to be removed
Step 1: large particles that must leave the cell are packaged in vesicles
Step 2: the vesicle travels to the cell membrane and fuses with it
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EXOCYTOSIS
Definition: Vesicles formed by the Golgi or ER carry particles to the cell membrane to be removed
Step 1: large particles that must leave the cell are packaged in vesicles
Step 2: the vesicle travels to the cell membrane and fuses with it
Step 3: the cell release the particles into its environment
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EXOCYTOSIS
Definition: Vesicles formed by the Golgi or ER carry particles to the cell membrane to be removed
Step 1: large particles that must leave the cell are packaged in vesicles
Step 2: the vesicle travels to the cell membrane and fuses with it
Step 3: the cell release the particles into its environment
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Review Transportation Through a Membrane
• Diffusion
• Osmosis
• Facilitated Diffusion
• Active Transport
• Endocytosis
• Exocytosis