WorksheetsCell Membrane
Total questions: 10
Worksheet time: 5mins
Which part of the cell controls the movement of substances?
Cell membrane
Nucleus
Cytoplasm
Mitochondria
What is the name of the substances that make up cell membranes?
Nucleic acid
Glycerol
Phospholipids
How many layers of phospholipids make up the cell membrane?
1
2
3
4
TRUE OR FALSE. Phospholipids have a hydrophobic tail that repels water
True
False
What is the role of cholesterol in the cell membrane?
To help substances go into the cell
To help substances leave the cell
To provide stability
TRUE OR FALSE. Channel proteins are an example of intrinsic proteins.
True
False
What was the term given to describe the arrangement of molecules in the cell membrane?
Fluid jigsaw model
Stable jigsaw model
Fluid mosaic model
What is one role of cell surface markers?
To allow substances to move out of the cell
To communicate with other cells
To organise the organelles
TRUE OR FALSE. Diffusion is the movement of substances from an area of low concentration to high concentration
True
False
Which method of transport requires energy?
Diffusion
Osmosis
Facilitated Diffusion
Active transport
