WorksheetsCell membrane and transport
Total questions: 26
Worksheet time: 9mins
It controls what enters and leaves the cell
Semipermeable
Phospholipid bilayer
Is Static; molecules within the membrane do not move
A type of endocytosis that involves the engulfing of a food particle by a cell:
phagocytosis
exocytosis
pinocytosis
membrane pump
A state that exists when the concentration of a substance is the same throughout a space:
equilibrium
concentration gradient
diffusion
hypertonic
Human red blood cells contain 0.9% sodium chloride as a component of their cytoplasm. What would happen if an IV solution containing 3.5% sodium chloride is introduced into a person?
The red blood cell would get bigger and burst.
The red blood cell would stay the same size.
The red blood cell would shrink.
The red blood cell would first loose water and then absorb water.
If the body can no longer make ATP, which type of transport would be impacted?
Facilitated Diffusion
Osmosis
Active Transport
Simple Diffusion
Students are observing particles moving against the concentration gradient in a lab investigation. Which type of transport are they observing?
osmosis
active Transport
facilitated diffusion
diffusion
_____ types of proteins are fixed inside the cell membrane?
Peripheral protein
Integral protein
Both
None of the above
Facilitated diffusion requires ATP.
True
False
Rate of diffusion depends on the number and size of the openings through the cell membrane.
True
False
What is the function of cholesterol in the cell membrane?
It forms the lipid bilayer
It works in cell identification
It allows certain molecules to pass through
It helps maintain the fluidity of the membrane
Some molecules pass through the cell membrane easily whereas other molecules cannot. What is the name of this property of the cell membrane?
Impermeable
Semipermeable
Permeable
Resistance
