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Nat 5 Biology- Unit 1 Cell Biology > Key Area 1- Cell Structure > Flashcards

Key Area 1- Cell Structure Flashcards

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1
Q

What is the cell wall?

A

Structure surrounding a cell that protects and helps the cell to keep its shape

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2
Q

What is the cell ultrastructure?

A

All parts that make up a cell

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3
Q

What does the cell membrane do?

A

Controls what substances/materials enters and leaves the cell

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4
Q

What does selectively permeable mean?

A

Only certain molecules can pass through

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5
Q

What is a chloroplast?

A

Small green discs in plant cells where photosynthesis takes place

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6
Q

Function of cytoplasm?

A

Where chemical reactions take place

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7
Q

What does the nucleus do?

A

Controls cell activity and stores DNA as chromosomes

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8
Q

Function of ribosomes?

A

Site of protein synthesis

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9
Q

Function of mitochondria?

A

Site of aerobic respiration

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10
Q

What is an organelle?

A

Any part of the cell found in the cytoplasm

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11
Q

What is cellulose?

A

The chemical that makes up plant cell walls (DOES NOT MAKE UP CELL WALLS IN FUNGAL AND BACTERIAL CELLS)

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12
Q

What is the vacuole?

A

A structure found in the cytoplasm that contains cell sap in plants

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13
Q

Name the 4 different types of cells

A

Animal, plant, fungal and bacterial

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14
Q

What cells is the cell wall found in?

A

All except animal

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15
Q

What cells have a cell membrane?

A

All cells

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16
Q

What cells contain cytoplasm?

A

All cells

17
Q

What cells contain mitochondria?

A

All except bacteria

18
Q

What cells contain chloroplasts?

A

Only plant cells

19
Q

What cells contain vacuoles?

A

Plant and fungal

20
Q

What cells contain ribosomes?

A

All cells

21
Q

What cells contain plasmids?

A

Bacterial

22
Q

What cells contain a nucleus?

A

All except bacterial

23
Q

Function of plasmids?

A

Small circular DNA molecules that contain genes

24
Q

What happens to bacteria cells DNA?

A

It floats around in the cytoplasm as a large circular DNA molecule

Nat 5 Biology- Unit 1 Cell Biology (6 decks)

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