Cells Flashcards

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1
Q

What are animal cells surounded by?

A

Permeable cell membrane

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2
Q

What is the role of the cell membrane?

A

Controls what can enter or leave the cell.

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3
Q

The main part of the cell is the cytoplasm. What happens here?

A

Chemical reactions take place here.

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4
Q

What is the control centre of the cell called?

A

Nucleus

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5
Q

What is each chromosome made up of?

A

Deoxyribo Nucleic Acid (DNA)

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6
Q

What does DNA have?

A

Genetic information coded in its structure

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7
Q

What takes place in the mitochondria?

A

Cell respiration

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8
Q

In a plant cell, what is the role of the cellulose cell wall?

A

Prevents the cell bursting when it takes in water and provides support.

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9
Q

What does the plant permanent vacuole contain?

A

Cell sap.

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10
Q

What does the cell sap do?

A

When it is full, pushes the cell membrane against the cell wall, making the cell rigid and provides more support.

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11
Q

What do chloroplasts do?

A

Traps light and helps the plant make more food durng photosynthesis.

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12
Q

What are bacteria?

A

Single-celled organisms, neither plant NOR animal.

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13
Q

Do bacterial cells have a nucleus?

A

No

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14
Q

What form does the genetic material (DNA) have within the cytoplasm?

A

A circular chromosome

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15
Q

What are plasmids?

A

Small rings of DNA

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16
Q

What type of cell wall is present in bacterial cells?

A

Non-cellolose cell wall

17
Q
A