S2 - Microbes and Health (complete) Flashcards

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1
Q

Microbe (micro-organism)

A

A tiny (microscopic) living organism, usually single celled.

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2
Q

_______ are simple, single celled microbes which can be useful or harmful. They do not have a true nucleus.

A

Bacteria are simple, single celled microbes which can be useful or harmful. They do not have a true nucleus.

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3
Q

Bacteria are simple, _____ celled microbes which can be useful or harmful. They do not have a true nucleus.

A

Bacteria are simple, single celled microbes which can be useful or harmful. They do not have a true nucleus.

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4
Q

Bacteria are simple, single celled microbes which can be useful or harmful. They do not have a true ______.

A

Bacteria are simple, single celled microbes which can be useful or harmful. They do not have a true nucleus.

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5
Q

_______ are very tiny and can only be seen with an electron microscope.

They cause disease because they can only reproduce inside other living cells. They are more like chemicals than living organisms.

A

Viruses are very tiny and can only be seen with an electron microscope.

They cause disease because they can only reproduce inside other living cells. They are more like chemicals than living organisms.

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6
Q

Viruses are very tiny and can only be seen with an _______.

They cause disease because they can only reproduce inside other living cells. They are more like chemicals than living organisms.

A

Viruses are very tiny and can only be seen with an electron microscope.

They cause disease because they can only reproduce inside other living cells. They are more like chemicals than living organisms.

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7
Q

Viruses are very tiny and can only be seen with an electron microscope.

They cause disease because they can only reproduce ______. They are more like chemicals than living organisms.

A

Viruses are very tiny and can only be seen with an electron microscope.

They cause disease because they can only reproduce inside other living cells. They are more like chemicals than living organisms.

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8
Q

Viruses are very tiny and can only be seen with an electron microscope.

They cause disease because they can only reproduce inside other living cells. They are more like _______ than living organisms.

A

Viruses are very tiny and can only be seen with an electron microscope.

They cause disease because they can only reproduce inside other living cells. They are more like chemicals than living organisms.

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9
Q

_____ can be single celled (e.g. yeast), made of threads or mushroom like.

A

Fungi can be single celled (e.g. yeast), made of threads or mushroom like.

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10
Q

Fungi can be single celled (e.g. ____), made of threads or mushroom like.

A

Fungi can be single celled (e.g. yeast), made of threads or mushroom like.

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11
Q

__________ are all the single celled organisms with a true nucleus that are not fungi.

This includes the single celled animals and plants (algae) and the multicellular seaweeds.

A

Protists are all the single celled organisms with a true nucleus that are not fungi.

This includes the single celled animals and plants (algae) and the multicellular seaweeds.

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12
Q

Protists are all the single celled organisms with a true _________ that are not fungi.

This includes the single celled animals and plants (algae) and the multicellular seaweeds.

A

Protists are all the single celled organisms with a true nucleus that are not fungi.

This includes the single celled animals and plants (algae) and the multicellular seaweeds.

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13
Q

Protists are all the single celled organisms with a true nucleus that are not _____.

This includes the single celled animals and plants (algae) and the multicellular seaweeds.

A

Protists are all the single celled organisms with a true nucleus that are not fungi.

This includes the single celled animals and plants (algae) and the multicellular seaweeds.

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14
Q

What do microbes need to grow? Name three.

A

Any three of:

Food

Oxygen

Warm temperature

Moisture

Suitable pH (acid/alkali levels)

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15
Q

Sterile

A

Free from bacteria and other microbes

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16
Q

A shallow dish filled with agar jelly, containing food for growing microbes

A

Agar plate

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17
Q

Dots on agar jelly made of millions of microbe cells

A

Colonies

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18
Q

Which type of microbes are used to make bread?

A

Fungi (yeast)

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19
Q

Which type of microbes are used to make cheese and yoghurt?

A

Bacteria

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20
Q

Which type of microbes act as decomposers?

A

Fungi

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21
Q

Infection

A

A disease caused by a microbe

22
Q

Pathogen

A

A microbe that causes disease

23
Q

Orifice

A

An opening into your body, e.g. your mouth or ears

24
Q

Toxin

A

A poison

25
Q

Symptom

A

The effect of a disease on your body, e.g. a rash

26
Q

Mucus

A

A thick sticky substance that traps dirt and bacteria in your lungs

27
Q

Cilia

A

Tiny hairs on the surface of lung cells that move mucus

28
Q

Enzyme

A

A molecule that speeds up chemical reactions

29
Q

What infections can be caused by fungi?

A

Athlete’s foot, thrush

30
Q

What drugs are used to treat fungal infections?

A

Anti-fungals

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36
Q

This system helps to protect your body from pathogens

A

Immune system

37
Q

A type of white blood cell that engulfs (swallows) pathogens

A

Phagocyte

38
Q

A type of white blood cell that releases antibodies

A

Lymphocyte

39
Q

A special protein that binds to invading microbes to stop them from attacking cells.

A

Antibody

40
Q

White blood cells that remain behind after an infection, and respond quickly to a 2nd infection.

A

Memory cells

41
Q

Phagocyte

A

A type of white blood cell that engulfs (swallows) pathogens

42
Q

Lymphocyte

A

A type of white blood cell that releases antibodies

43
Q

A weakened or dead form of the disease used to protect the body

A

Vaccine

44
Q

Unwanted effects on the body after having a vaccine or medication

A

Side effects

45
Q

Herd immunity

A

Enough people (the threshold value) need to be vaccinated to protect a population against a disease, e.g. measles.

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50
Q
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