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Biology > B1 Cell Structure, Microscope And Transport > Flashcards

B1 Cell Structure, Microscope And Transport Flashcards

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1
Q

What is the function of the Cell Membrane

A

It controls what enters and leaves the cell.

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2
Q

What is the function of the ribosomes

A

It is the site of protein synthesis.

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3
Q

What is the function of the Mitocondria?

A

It is the site of respiration(release of energy from food).

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4
Q

What is the function of Cytoplasm?

A

It is the site of chemical reactions.

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5
Q

What is the function of the Nucleus?

A
  • Controls the cell
  • Contains the genetic information called DNA.
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6
Q

What is the function of the Cellulose cell wall ?

A

It is the Outer layer to give the cell strength and support.

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7
Q

What is the function of the Large permant vacuole?

A

It Stores the Cell sap.

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8
Q

What are the 8 different parts of the microscope?

A

Eye piece lens
Clips
Stage
Objective lens
Base
Light source
Coarse focus wheel
Fine focus wheel

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9
Q

What is the function of the red blood Cell?

A

It is to transport oxygen around the body tissues.

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10
Q

What is the function of the sperm cell?

A

It is to fertalise the egg.

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11
Q

What is the function of the Nerve cell?

A

It is to transmit messages.

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12
Q

What is the function of the Muscle cell?

A

It is to contact quickly.

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13
Q

What is the function of the root hair cell?

A

It is to absorb water(by osmosis) and mineral ions(by active transport) from the soil.

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14
Q

What is the function of the Xylem Cell?

A

It is to Transport water and dissloved minerals upwards from the root hair cell to the leaves. This is called transpiration stream.

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15
Q

What is the function of the Phloem cell?

A

It is to Trasport food ( in and from the scurose) upwards and downwards, depending on where the food is needed

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16
Q

What is diffusion?

A

Diffusion is an area of high concentration to an area of low concentration.

17
Q

What is Osmosis?

A

Osmosis is the net movement of water molecues from and area of high concentration to an area of low concentration.

18
Q

What is Active transport?

A

It is an area of low concentration to and area of high concentration.

19
Q

What does Osmosis require?

A

It require mp energy and the water molecules have their own kenetic energy.

20
Q

What does Active transpor requires

A

It requires Atp and carrier proteins in the cell membrane

Biology (1 decks)

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