Cells & More Quiz Flashcards
what cells have ribosomes, and nucleus, and are unicellular?
eukaryotic cells
what are the main parts of a plant cell?
1 large vacuole, mitochondria, and a cell wall (they are multicellular)
what are the main parts of an animal cell?
small vacuoles and lysosomes
what makes up most of the cell membrane?
phospholipid bilayer
what moves from high to low?
passive transport
passive transport specific to water is called what?
osmosis
channel and carrier are transport proteins used in what?
facilitated diffusion
what does a hypertonic cell do?
shrivels up, water moves outward to create equlibrium
what does a hypotonic cell do?
the water moves into the cell which makes the cell larger
what is the goal of an animal cell?
to be isotonic
what is the goal of a plant cell?
to be hypotonic
what does a double membrane show?
it shows that organelles were engulfed
what does ATP stand for?
Adensine tri phosphate
how does ATP give off energy?
by breaking off a phosphate and giving it away
what is it called when something gains a phosphate?
phosphorylation
what is it called when something loses a phosphate?
dephosphorylation
how does the energy move in active transport?
low to high
what is it called when something enters the cell?
endocytosis
what does the sodium potassium pump do?
moves sodium out and potassium in
what is diffusion?
a movement of molecules from an area with a high concentration to one with a low concentration
what is the difference in concentration called?
concentration gradient
what is a channel protein?
a special arrangement of amino acids that is in the cell membrane that provides a hydrophilic passageway
