The Plasma Membrane

Biology22 CardsCreated 5 months ago

This deck covers key concepts about the plasma membrane, including its structure, function, and processes like endocytosis and exocytosis.

What is the other name for the plasma membrane?

Cell membrane

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Key Terms

Term
Definition

What is the other name for the plasma membrane?

Cell membrane

What is the function of the plasma membrane?

It regulates what enters and exits the cell.

Why is it important that the plasma membrane regulates what enters and leashes the cell?
Because it helps the cell and the organism maintain a steady internal environment.
What is the key structure of the plasma membrane?
It's made up of proteins and phospholipids.
Is the head of the phospholipid hidrophilic or phobic?
It's hydro Philip because it loves the water.
Is the tail of the phospholipic hydro phylic or phobic?
It's hydro phobic because it has a phobia of water.

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TermDefinition

What is the other name for the plasma membrane?

Cell membrane

What is the function of the plasma membrane?

It regulates what enters and exits the cell.

Why is it important that the plasma membrane regulates what enters and leashes the cell?
Because it helps the cell and the organism maintain a steady internal environment.
What is the key structure of the plasma membrane?
It's made up of proteins and phospholipids.
Is the head of the phospholipid hidrophilic or phobic?
It's hydro Philip because it loves the water.
Is the tail of the phospholipic hydro phylic or phobic?
It's hydro phobic because it has a phobia of water.
Is the head of a phospholipid polar or non polar?
It's polar
What are phospholipids?
They are the major component of cell membranes.
Is the phospholipid tail polar or non-polar?
It's non-polar
What does the phospholipid head consist of?
A phosphate (PO4)
What does the phospholipid tail consist of?
Two fatty acid tails
What the phospholipid wall called?
Phospholipid bilayer.
What is one of the proteins in the phospholipid bilayer called?
Chanel protein
How is glucose passed through the plasma membrane?
It is a larger molecule and is helped across the membrane by proteins.
What is the glucose helped by to cross the membrane?
Proteins.
Can starch and proteins pass the plasma membrane easily and why?
No, because they are too big
What has to be broken down to go through the plasma membrane?
Starch and proteins only.
What can pass easily through the plasma membrane and why?
H2O, CO2 and O2only. because they are small molecules.
What is Endocytosis?
The process by which a cell engulfs large particles by folding the membrane around the particle forming an intracellular vesicle.
What are the solid particles when the cell engulfs large particles?
Phagocytosis
What are the solid particles when the cell engulfs the particles?
Pinocytosis
What is exosytosis?
When particles are released from the cell e.g hormones, enzymes etc in reverse process of endocytosis.