8.31.2022. pre class

Question 1

Organelle

Answer 1

cell structure that performs a specific function

Question 2

lumen

Answer 2

interior of an organ or organelle

Question 3

endocytosis

Answer 3

process through which cells take up particles by enclosing them in a vesicle pinched off from the cell membrane

Question 4

exocytosis

Answer 4

process by which eukaryotic cells expel material

Question 5

how does exocytosis take place?

Answer 5

membrane-bound vesicles inside the cell fuse with the plasma membrane, releasing their contents to the external medium

Question 6

phagosome

Answer 6

membrane-bound vacuole that contains the material engulfed by a phagocyte

Question 7

phagocyte

Answer 7

cell type that specializes in engulfing and digesting microbes and cell debris

Question 8

lysosome

Answer 8

membrane-bound structure in eukaryotic cells that contains powerful degradative enzymes

Question 9

cytoskeleton

Answer 9

the dynamic filamentous network that provides structure and shape to eukaryotic cells

Question 10

vesicles

Answer 10

small structures within a cell, with fluid inside a lipid bilayer, involved in transport and enzyme storage

Question 11

actin

Answer 11

cellular protein that provides cells with mechanical support and drives the forces for movement