1h- Intracellular membranes Flashcards

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1
Q

Why do eukaryotic cells have a system of internal membranes?

A

Because of their size, eukaryotes have a relatively small surface area to volume ratio. The plasma membrane of eukaryotic cells is therefore to small to carry out all the vital functions carried out by membranes so having a system of internal membranes increases the total area of membrane availible

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2
Q

What does the endoplasmic reticulum form?

A

A network of membrane tubules continuous with the nuclear membrane

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3
Q

What is the golgi apparatus?

A

A series of flattened membrane discs

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4
Q

What are lysosomes?

A

Membrane-bound organelles containing a variety of hydrolases that digest proteins, lipids, nucleic acids and carbohydrates

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5
Q

What do vescicles do?

A

Transport materials between membrane components

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