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Cells & Infection End of Unit Revision > Cells & Infection > Flashcards

Cells & Infection Flashcards

1
Q

What is the most basic unit of life?

A

Cell

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2
Q

What equipment do you need to see a cell?

A

A microscope

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3
Q

What chemical allows you to see cell structures under a microscope?

A

A stain

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4
Q

What stain is used to see animal cell structures under a microscope?

A

Methylene Blue

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5
Q

What stain is used to see plant cell structures under a microscope?

A

Iodine Solution

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6
Q

What part of a cell controls the cell activities?

A

Nucleus

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7
Q

What part of a cell is the site of chemical reactions?

A

Cytoplasm

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8
Q

What part of a cell controls the entry/exit of materials?

A

Cell membrane

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9
Q

What part of a cell is the site of photosynthesis?

A

Chloroplast

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10
Q

What part of the cell contains cell sap?

A

Vacuole

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11
Q

What part of a cell provides structure and support?

A

Cell wall

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12
Q

Which cell structures do an animal cell possess?

A

Cell membrane, nucleus and cytoplasm

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13
Q

Which cell structures do a plant cell possess?

A

Cell membrane, nucleus, cytoplasm, cell wall, vacuole and chloroplasts

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14
Q

Cells that have a particular job and distinct shape are called?

A

Specialised cells

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15
Q

Which specialised cell is held together in bundles that allow them to pull and contract?

A

Muscle cells

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16
Q

Which specialised cell has a tail to allow it to swim?

A

Sperm cell

17
Q

What specialised feature of a root hair cell makes it suited to its function?

A

Large surface area

18
Q

Name the 3 types of micro-organism

A

Bacteria, Fungi and Viruses

19
Q

Which type of micro-organism always causes harm?

A

Viruses

20
Q

Give examples of how micro-organisms can be spread

A

Touching, sneezing, coughing, animals

21
Q

What is the name of the special jelly you can grow micro-organisms on?

A

Agar jelly

22
Q

What effect does hand washing have on microbe growth?

A

Decreases it

23
Q

What is the word used to describe the best conditions for microbes to grow? Including suitable temperature, food, pH ect…

A

Optimum conditions

24
Q

How can you slow down or prevent microbe growth?

A

Very high temperatures, freezing, anti fungals or antibiotics

25
Q

What kind of medicine only works against bacteria?

A

Antibiotics

26
Q

What are some of the body’s first line of defence against infection?

A

Skin, tears, stomach acid, mucus

27
Q

What happens if the first line of defence fails?

A

White blood cells are produced

28
Q

What 2 things can white blood cells do?

A

Engulf and digest pathogen OR produce antibodies

29
Q

What is a vaccine?

A

A dead or inactive form of the pathogen

30
Q

What is a pathogen?

A

A disease causing organism

Cells & Infection End of Unit Revision (1 decks)

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