cell organelles - plasma membrane Flashcards
what are prokaryotes?
they have no membrane-bound nucleus,
unicellular
the cell wall is made up of peptidoglycan
e.g, bacteria cell
what are eukaryotes?
they have a nucleus
multicellular
the cell wall is made up of cellulose
e.g. plant and animal cell
name 4 different types of cells in our body:
red blood cells
skin cells
nerve cells
gut cells
why is cell division relevant to plasma
because the plasma membrane undergoes major shape during mitosis.
what are the roles of the plasma membrane?
the function is the protect the cell from its surroundings.
it allows small molecules to pass through freely but doesn’t allow macromolecules or ions to pass through freely.
what are the major components of the plasma membrane?
lipids
carbohydrates
proteins
what are the three major kinds of membrane lipids?
phospholipids, glycolipids and cholesterol