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biology aqa gcse > Imunity > Flashcards

Imunity Flashcards

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1
Q

What is phagocytosis?

A

When a phagocyte engulfs and digests a pathogen

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1
Q

What is a phagocyte?

A

A white blood cell that engulfs and digests pathogens

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2
Q

What is a pathogen?

A

A microbe that causes diseases

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3
Q

What is a lymphocyte?

A

A white blood cell that produced antibodies

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4
Q

What are the 4 types of pathogen?

A

Bacteria, virus, fungi, protists

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5
Q

Which microbes cause rose black spot in plants?

A

Fungi

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5
Q

What do antibodies do?

A

Target specific pathogens and attach to their antigens

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6
Q

Which microbes cause malaria?

A

Protists

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7
Q

Which microbes cause Salmonella and gonorrhoea?

A

Bacteria

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8
Q

Which microbes cause measles, HIV and Aids?

A

Viruses

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9
Q

Which microbes causes TMV (Tobacco Mosaic Virus)

A

Virus

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10
Q

What are the 2 symptoms of measles?

A

Fever, rash

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11
Q

What are the symptoms of HIV?

A

Flu-like illness. Attacks the immune system.

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12
Q

What is AIDS?

A

The bodies response HIV

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13
Q

What are the symptoms of TMV (Tobacco Mosaic Virus) in plants

A

A mosaic pattern of discolouration which slows down photosynthesis.

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14
Q

What are the symptoms of Salmonella?

A

Fever, vomiting, diarrhoea and stomach cramps.

15
Q

What causes salmonella?

A

Eating raw meat such as chicken and eggs.

16
Q

What are the symptoms of gonorrhoea

A

Thick yellow / green discharge from vagina or penis and pain in urination.

17
Q

What are the symptoms of plant bacterial diseases?

A

Causes galls to grow (a mass of unspecialised cells)

18
Q

What are the symptoms of rose black spot in plants?

A

Black spots on the leaves. This slows down photosynthesis due to lack of chlorophyll

19
Q

What are the symptoms of malaria?

A

Damages blood and liver cells. Causes fever and shakes.

20
Q

Which organism transmits malaria?

A

A mosquito

21
Q

What is a vector?

A

Something that transfers diseases from one organism to another.

biology aqa gcse (1 decks)

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