Antibiotics are substances that slow down or stop the growth of bacteria

The bacterial cell wall is made of murein, which is strong enough to withstand osmotic pressure while also allowing substances to pass through.

When bacteria mutate and become less susceptible to the action of antibiotics.

Antibiotics

Combined science

Development of new medicines

Pupils learned about human and plant defences against pathogens, the role of white blood cells in the human immune system, and the use of vaccination to protect against communicable diseases.

This unit covers vaccines, medicines, and monoclonal antibodies for disease prevention and treatment. It explains aseptic techniques, medicine development, and antibody uses. The focus is on ethical considerations, risk evaluation, and societal impacts of scientific advances.

Medicines and new treatments for disease

Depiction or discussion of violence or suffering

True of false? Antibiotics will cure the flu.

Some antibiotics, including penicillin, work by preventing the formation of the bacterial {{}}.

True or false? Antibiotic resistance means that the bacteria are immune to the antibiotic.

Antibiotics can cure any bacterial infection. 

Antibiotic resistance is a major health issue.

Different antibiotics should be used to treat different infections.

Use specific antibiotics to treat specific infections.

Stop taking antibiotics when you feel better.

How can we reduce the spread of antibiotic resistance?

A random mutation takes place in the DNA of a bacterium.

The mutation gives the bacterium resistance to the antibiotic.

When the bacterium reproduces it passes on the mutation to the next generation.

Many bacteria are now resistant to the antibiotic.

Starting with a mutation arising, put these steps in order to show how antibiotic resistance develops.

Plant cells and bacterial cells have a cell wall. Select the function of the cell wall.

A change in the sequence of nucleotide bases in the DNA of the genome is called a {{}}.

a bacterium that lives in your digestive system

Do bacteria reproduce asexually or sexually?

Starter Quiz

Label the parts of the bacterial cell.