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Topic 1- Key Concepts In Biology 📄 > Introduction To Cells > Flashcards

Introduction To Cells Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

What is a Eukaryotic cell?

A

A cell with a nucleus

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2
Q

Which organisms have eukaryotic cells?

A

Animals and plants

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3
Q

What are prokaryotic cells?

A

A cell with no nucleus’

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4
Q

Which organisms have prokaryotic cells?

A

Bacteria

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5
Q

Atoms are bigger than cells, which have an average diameter of…

A

10um

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6
Q

What does the nucleus contain?

A

The genetic information as DNA arranged on chromosomes (bundles of DNA)

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7
Q

What does the nucleus do?

A

Controls the cell

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8
Q

What is the nucleus surrounded by?

A

Nuclear membrane

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9
Q

What does the cell membrane do?

A

Controls what enters and leaves the cell

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10
Q

Name 3 substances that can move into cells

A

Glucose
Oxygen
Mineral Ions

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11
Q

Name 3 substances that move out of cells

A

Carbon dioxide
Urea
Hormones

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12
Q

What is the cytoplasm?

A

A liquid gel where organelle are suspended

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13
Q

What happens in the cytoplasm?

A

Where most of the chemical reactions take place

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14
Q

What do ribosomes do?

A

Where proteins are made, through protein synthesis

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15
Q

Give 2 examples of what ribosomes make

A

Structural proteins
Enzymes

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16
Q

What happens in the mitochondria?

A

Where aerobic respiration takes place, releasing energy for the cell.
Note: they are very small

17
Q

Name 3 things that are found in a plant cell that are not found in an animal cell:

A

Chloroplasts
Vacuole
Cell wall

18
Q

What is the cell wall made up of?

A

Cellulose

19
Q

What does the cell wall do?

A

It’s strengthens cells and gives it support

20
Q

What is a vacuole?

A

A storage space filled with cell sap

21
Q

What is the purpose of the vacuole?

A

It is important for keeping the cells firm and rigid so they keep their shape

22
Q

Where are chloroplasts found?

A

In all green parts of a plant

23
Q

Why are chloroplasts green?

A

Because of a green substance called chlorophyll inside them

24
Q

What do chloroplasts do?

A

Absorb light —> plants can make food for photosynthesis

25
Q

Why do root cells not have chloroplasts?

A

Because they are underground so no sunlight can reach them

Topic 1- Key Concepts In Biology 📄 (10 decks)

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