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Biology tripple science > Communicable diseases > Flashcards

Communicable diseases Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

what is correlation?

A

apparent link

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2
Q

what is casual mechanism?

A

explains how one factor effects another

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3
Q

what is a pathogen?

A

a micro-organism that cause disease

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4
Q

examples of pathogens?

A

bacteria, fungi, virus and protists

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5
Q

what is a communicable disease?

A

A disease spread from one person to another either by sexual intercourse , bodily fluids ,coughing ,sneezing ext.

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6
Q

examples of communicable disease?

A

HIV, measles, salmonella, measles, chicken pox

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7
Q

what is a non communicable disease?

A

a disease that is not spread form one person to another

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8
Q

examples of non communicable disease ?

A

Heart disease, stroke, cancer, diabetes and chronic lung disease

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9
Q

Features of Bacteria ?

A

.divide quickly and damage cells

.produce toxins that can make you feel ill.

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10
Q

features of a virus ?

A

.takes over the body-reproducing damaging and destroying your cells.
.they rarely produce toxins that can make you feel ill.

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11
Q

examples of virus’s ?

A

Aids/HIV , measles

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12
Q

examples of Bacteria ?

A

salmonella, gonorrhoea , fungal and protist

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13
Q

what is the dish called used in the bacteria practical

A

‘petri dish’

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14
Q

why must the Petri dish not be completely sealed ?

A

Stops oxygen reaching bacterium which may encourage harmful bacteria to grow. lid stops additional unwanted bacteria in the air contaminating the plate

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15
Q

why must bacteria be grown at 25 degrees in school?

A

stop dangerous pathogens forming.

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16
Q

what are microorganisms ?

A

very small living things such as bacteria and viruses that can cause disease.

17
Q

what is magnesium ion deficiency ?

A

magnesium ion deficiency can lead to chlorosis where leaves do not produce chlorophyll.

18
Q

effects of magnesium ion deficiency ?

A

lack of photosynthesis-so will have less growth and could die.

19
Q

what is nitrate ion deficiency ?

A

reduces the plants ability to make proteins

20
Q

what effect does nitrate ion deficiency ?

A

reduces a plants growth and repair

21
Q

what are plants waxy cuticle ?

A

waxy cuticle covers the surface of a leaf which acts as a barrier to stop pathogens entering the leaf.

Biology tripple science (4 decks)

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