2.2 The Proteome a) The Synthesis and Transport of Proteins i Intracellular Membranes Flashcards
Why do eukaryotic cells have a system of internal membranes?
Increases the total area of membrane
Why do eukaryotes have a relatively small surface area to volume ratio?
Because of their size
Why can’t the plasma membrane of eukaryotic cells is carry out all the vital functions carried out by membranes.
Because they are too small
How is the endoplasmic reticulum joined to the nuclear membrane?
The ER is an extension of the nuclear membrane.
It forms a network of membrane tubules continuous with the nuclear membrane
What is the Golgi apparatus made up of?
A series of flattened membrane discs
What are lysosomes?
Membrane-bound organelles containing a variety of hydrolases
What is a hydrolase?
An enzyme that removes water.
They digest proteins, lipids, nucleic acids and carbohydrates
What transports materials between membrane compartments?
Vesicles
