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Biology year 11 > Chapter 1 - Cell structure and transport > Flashcards

Chapter 1 - Cell structure and transport Flashcards

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1
Q

How do you calculate the magnification used?

A

Times the magnification on the eye piece by the magnification on the lens

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2
Q

What does a plant cell have that an animal cell doesn’t?

A

Cell wall, chloroplast

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3
Q

What organelles does an animal cell contain?

A

Cell membrane, cytoplasm, nucleus, mitochondria, ribosomes, vacuole

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4
Q

Prokaryotic cells

A

Has no nucleus, eg. barcteria

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5
Q

Eukaryotic cells

A

Has a nucleus, everything apart from bacteria

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6
Q

What organelles does a plant cell contain?

A

Cell membrane, cytoplasm, nucleus, mitochondria, ribosomes, vacuole, chloroplast, cell wall

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7
Q

What does a cell membrane do?

A

Controls what goes in and out of the cell

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8
Q

What does a nucleus do?

A

Controls the whole cell

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9
Q

What does cytoplasm do?

A

Contains the organelles and this is where the chemical reactions happen

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10
Q

What does mitochondria do?

A

Releases energy through respiration

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11
Q

What do ribosomes do?

A

Makes protein

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12
Q

What does a vacuole do?

A

Keeps the shape of the cell

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13
Q

What does chloroplast do?

A

Carries out photosynthesis

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14
Q

What does the cell wall do?

A

Gives the cell strength

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15
Q

What is cell differentiation?

A

When a stem cell is given a specific function

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16
Q

What’s a stem cell?

A

A cell that does not yet have a function of its own

17
Q

What is mitosis?

A

When a cell splits to create two identical copies of the original cell

18
Q

What’s osmosis?

A

The movement of water from a less concentrated solution to a more concentrated solution through a partially permeable membrane

19
Q

What is going down the concentration gradient?

A

High to low concentration

20
Q

What is going against the concentration gradient?

A

Low to high concentration

21
Q

Does diffusion go against or down the concentration gradient?

A

Down

22
Q

Diffusion is…

A

The movement of particles (molecules or ions) going down a concentration gradient

Biology year 11 (18 decks)

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