GenBio Flashcards
% How long can microtubules be?
50 microns
% How wide can microtubules be?
23-27 nm with inner diameter of 11-15 nm
% Are polymers of tubulin that form part of the cytoskeleton and provide structure and shape to eukaryotic cells
Microtubules
% Motor proteins that “walk” towards the plus end, playing a key role in mitosis & trafficking of organelles/vesicles
Kinesin
% Cargo carried by kinesin walking towards the fast-growing plus end of the microtubule
Anterograde Cargo
% Cargo carried by dynein walking towards the slow-growing minus end of the microtubule
Retrograde Cargo
% Motor proteins that “walk” towards the minus end, playing a key role in driving cilia & flagella
Dynein
% Vesicles that move materials in the cell
Transport Vesicles
% Vesicles that move materials out the cell
Secretory Vesicles
% Vesicles that contain digestive enzymes for breaking down macromolecules
Lysosomes
% Vesicles that contain digestive enzymes for breaking down excess nutrients, fatty acids, and alcohol
Peroxisomes
% Vesicles that contain digestive enzymes for breaking down hydrogen peroxide
Peroxisomes
% Vesicles that contain digestive enzymes for breaking down pathogens
Lysosomes
% Vesicles responsible for cell death
Lysosomes
% Process where substances are brought into the cell
Endocytosis