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GCSE AQA Higher Combined Science Biology · Topic 3 of 8

Infection and response – GCSE AQA Higher Combined Science Biology revision notes

Choose a subtopic. Infection and response covers Communicable diseases in GCSE AQA Higher Combined Science Biology. 17 lessons in 1 subtopic.

Revise Infection and response for GCSE AQA Higher Combined Science Biology, including Communicable diseases. 17 lessons across 1 subtopic.

17

Lessons

1

Subtopics

What this topic covers

Infection and response has 1 subtopic:

  • Communicable diseases

Infection and response lessons by subtopic

17 lessons, grouped by subtopic.

Communicable diseases

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Frequently asked questions

What is Infection and response?

Infection and response covers Communicable diseases in GCSE AQA Higher Combined Science Biology. 17 lessons in 1 subtopic.

What are the symptoms of Salmonella?

The symptoms of Salmonella food poisoning are fever, abdominal cramps, vomiting and diarrhoea. The Food Poisoning - Salmonella Infection notes cover this in full.

What are the symptoms of gonorrhoea?

The main symptoms of gonorrhoea are a thick yellow or green discharge from the vagina or penis and pain or a burning sensation when urinating, and in some cases pelvic pain or swollen testicles. The Sexually Transmitted Infections - Gonorrhoea notes cover this in full.

What is a pathogen?

A pathogen is a microorganism that causes infectious disease. The Types of Pathogens and How They Spread notes cover this in full.

Who discovered penicillin?

Alexander Fleming discovered penicillin by accident in 1928, when a mould killed bacteria in his petri dish. The How Antibiotics Work and Their Limitations notes cover this in full.

How long do antibiotics take to work?

Antibiotics take 24-48 hours to work, while painkillers work immediately. The Treating Symptoms vs Killing Pathogens notes cover this in full.

How is HIV spread?

HIV spreads through exchange of body fluids: sexual contact, sharing needles, or from mother to baby during pregnancy. The Common Viral Diseases notes cover this in full.

What are the symptoms of malaria?

The symptoms of malaria are fever, chills and sweating, which come back as recurrent episodes for months or even years. The Malaria: A Protist Disease notes cover this in full.

What is an antigen?

An antigen is a unique protein or molecule on the surface of a pathogen that triggers antibody production. The The Immune System Response notes cover this in full.

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