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Biology: Module 2 - Basic componenets of living systems > Cell functions > Flashcards

Cell functions Flashcards

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1
Q

Whats the function of the cell surface membrane?

A

Controls what goes in and out of the cell

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2
Q

Whats the function of cytoplasm?

A

Where chemical reactions take place

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3
Q

Whats the function of the nucleus?

A

Contains genetic info. DNA controls metabolic activities in the cell

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4
Q

Whats the function of the nucleolus?

A

Area within nucleus responsible for producing ribosomes. Composed of proteins + RNA

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5
Q

Whats the function of the nuclear envelope?

A

Contains nuclear pores that allow molecules to move in + out of the nucleus

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6
Q

Whats the function of mitochondria?

A

Stores energy for use in respiration. Has a double membrane - inner membrane folded to form cristae

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7
Q

Whats the function of vesicles?

A

Used to transport materials into the cell. Are membranous sacs

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8
Q

Whats the function of lysosomes?

A

Breaks down waste materials in cells

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9
Q

Whats the function of smooth endoplasmic reticulum? (SER)

A

Responsible for lipid + carbohydrate synthesis

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10
Q

Whats the function of rough endoplasmic reticulum? (RER)

A

Has ribosomes bound to surface. Responsible for synthesis + transportation of proteins

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11
Q

Whats the function of ribosomes?

A

Where protein synthesis takes place. Made of RNA molecules

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12
Q

Whats the function of golgi apparatus?

A

Modifies proteins and packs them into vesicles. Compact structure formed of cisternae

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13
Q

Whats the function of the cell wall?

A

Supports + strengthens the cell. Also acts as defence mechanism from pathogens

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14
Q

Whats the function of the vacuole?

A

Large membrane lined sac that contains sap

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15
Q

Whats the function of chloroplasts?

A

Organelles responsible for photosynthesis. Found in leaves + stems but not roots

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16
Q

Whats the function of centrioles?

A

Involved in assembly + organisation of the spindle fibres during cell division. Only found in animal cells

17
Q

Whats the function of cilia?

A

Can be mobile or stationary:
Stationary = On the surface of some cells, function in sensory organs (nose)
Mobile = Causes fluids or objects next to cells to move (e.g. moving mucus in the lungs)

18
Q

Whats the function of flagella?

A

Used to enable cells mobility. In some cells, they’re used as a sensory organelle detecting chemical changes

Biology: Module 2 - Basic componenets of living systems (9 decks)

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