WorksheetsUnit 1 Review of Key Topics
Total questions: 23
Worksheet time: 12mins
What will happen to the blue molecules?
It will spread from left to right
It will spread from right to left
Nothing it is to large
Why can animal cells burst in a hypotonic solution and plant cells cannot?
animal cells have a cell membrane
plant cells have a cell wall
animal cells have many smaller vacuole
plant cells have one large vacuole
A type of active transport which a cell takes in a large amount of nutrients.
endocytosis
exocytosis
diffusion
osmosis
A type of active transport when a cell takes in large amounts of solids
pinocytosis
exocytosis
phagocytosis
osmosis
All of the following are examples of passive transport except....
osmosis
diffusion
facilitated diffusion
endocytosis
Active transport is when molecules move from....
high concentration to low concentration with NO energy
low concentration to high concentration with NO energy
high concentration to low concentration with energy
low concentration to high concentration with energy
What is the difference between a steep and a shallow concentration gradient?
Shallow concentration means diffusion happens faster
Steep concentration means diffusion happens faster
Steep concentration means osmosis happens slower
Shallow concentration means osmosis happens faster
What is the purpose of a protein channel?
To allow diffusion of small molecules into and out of a cell.
To allow water into and out of a cell.
Assist certain substances to cross the membrane.
What is facilitated diffusion?
Helps charged particles and large molecules enter and leave a cell.
Increases the rate of osmosis.
Decreases the rate of diffusion.
