WorksheetsCell Membrane Functions
Total questions: 12
Worksheet time: 11mins
What is diffusion?
when molecules stay in one place
when molecules move from a high concentration to a low concentration
no movement
molecules move everywhere
If the molecules in the picture are glucose molecules what type of transport is being shown in the picture?
osmosis
isotonic
diffusion
active transport
Osmosis is the movement of _____ across a membrane.
food
energy
oxygen
water
What does "bilayer" mean in the term lipid bilayer?
one layer
two layers
laminated
bilateral
Most of the cell membrane is made of...
lipids
carbohydrates
proteins
nucleic acids
Which is true about active transport?
It requires energy
it does not require energy
It moves substances down the concentration gradient
it moves material from high to low concentration
What is the function of a cell’s selectively permeable membrane?
It helps the cell to manufacture proteins.
It regulates the amount of ATP the cell produces.
It regulates what materials enter and leave the cell.
It packages and stores most of the material in a cell.
Solutes move with the concentration gradient, therefore no energy is used.
passive transport
active transport
Active transport requires ______, moves materials from __________________, and goes _______ the concentration gradient.
No energy, low to high, against
ATP, high to low, with
ATP, low to high, with
ATP, low to high, against
What organelle of the cell produces the energy needed for active transport?
Mitochondria
Golgi Body
Vesicle
Vacuole
The right hand side of the pictures shows the molecules at
What type of solution was this plant cell placed in? Describe how you know this using evidence from the picture.
