Cell Transport Processes Question Preview (ID: 62272)
Cell Transport And Other Facts.
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What is endocytosis?
a) When a cell gets rid of particles of waste.
b) When a cell takes in particles.
c) When a cell expands.
d) When a particle expands in the cell.
Osmosis
a) is an example of passive transport
b) is the movement of water across a membrane
c) is like diffusion
d) all the answers are correct
Which of the following is an example of phagocytosis?
a) nerve cells taking in small dissolved neurotransmitters
b) white blood cells engulfing bacteria
c) hormones leaving pitutitary cells via vesicles
d) water leaving the cell via carrier proteins
What is equilibrium?
a) When the concentration of substances are the same on both sides
b) When there is different concentration on both sides
c) Moving from a higher concentration to a lower concentration
d) Moving from a lower concentration to a higher concentration
What is diffusion?
a) Movement of molecules across the cell membrane from high concentration to low concentration
b) Movement of molecules across the cell membrane from low concentration to high concentration
c) Movement of water molecules
d) keeping internal conditions stable or balanced
Filtration
a) used to allow a liquid to seep through a substance that traps larger particles....a passive transport process
b) won't dissolve in water at all...an active transport process
c) molecules that have been dissolved into other molecules to form a solution...a passive transport process
d) has a large amount of solute in the solvent...an active transport process
Selectively permeable membrane
a) allows certain molecules to pass through but not others
b) movement of molecules across a membrane and this movement requires energy
c) A substance that changes color in the presence of a particular compound
d) How the nucleolus chooses what may enter or exit the cell
. Which of the following occurs in pinocytosis?
a) solutes or fluids move into/out of the cell
b) large molecules move into the cell only
c) solutes or fluids move out of the cell
d) large molecules move out of the cell
What similarity do phagocytosis and pinocytosis share?
a) Both processes move molecules out of cells without using energy.
b) Both processes move molecules into cells without using energy.
c) Both processes move molecules out of cells by using energy.
d) Both processes use energy (ATP).
This type of passive transport, pushes nutrient molecules down' a concentration gradient
a) phagocytosis
b) diffusion
c) pinocytosis
d) filtration
How thick is the plasma membrane?
a) 1/25 of an inch
b) 3/25 of an inch
c) .05mm
d) 3/10,000,000 of an inch
Which of these active transport processes eats material?
a) osmosis
b) pinocytosis
c) phagocytosis
d) filtration
What is anatomical structure which holds the chromosome pair together?
a) chromatid
b) chromatin
c) centromere
d) centriole
How many known cell types are there?
a) 210
b) 106
c) 312
d) 419
Which cellular structure performs the following functions? • supports and shapes the cell • helps position and transport organelles • assists in cell division and cell movement
a) plasma membrane
b) cytoskeleton
c) cytoplasm
d) cell wall
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