Which of these structures is found in an animal cell?
Cell wall
Cell membrane
Large central vacuole
What is the function of the nucleus?
To control what enters and leaves the cell
To control the cell and contain genetic information for protein production
To carry out aerobic respiration
If looking at cells using a light microscope with a ×10 eyepiece lens and a ×40 objective, by how much will the image seen be magnified?
×400
×40
×4000
What is the name of the process in which cells become specialised to perform different functions?
Meiosis
Mitosis
Differentiation
What is a tissue comprised of?
The same type of cells doing different jobs
Different cells working together to do the same job
The same type of cells working together to do the same job
If a piece of potato is placed into a salt solution with a lower water concentration than the potato cell contents, in which direction will the net movement of water be?
Into the potato
Out of the potato
No net movement in either direction
If an animal cell, eg a red blood cell, is placed in a solution of very high water concentration such as pure water, what will happen to the cell?
It will burst
It will swell until turgid
It will shrink
Questions 8 - 10 are for Higher tier only
Which of these substances are needed for active transport to occur?
Glucose and oxygen
Oxygen and carbon dioxide
Water and glucose
Which area of an enzyme binds to the substrate?
Product
Active site
Substrate
What is an enzyme with a permanently changed active site called?
Denatured
Dead
Catalyst