CELLS BIOLOGY Flashcards

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1
Q

What is mitochondria ?

A

organelles that contain the enzymes for respiration, and is where most energy is released in respiration.

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2
Q

What is the function of the nucleus ?

A

contains genetic information that controls the functions of the cell

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3
Q

What does cell wall do ?

A

strengthens and supports the cell

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4
Q

What’s ribo-somes ?

A

the site of protein synthesis - makes protein

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5
Q

What are chloroplasts ?

A

organelles that contains green pigment, chlorophyll, which absorbs light energy for photosynthesis

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6
Q

What’s the point of a vacuole ?

A

used to store water and other chemicals as cell sap

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7
Q

What is the role of cytoplasm ?

A

where many chemical reactions happen

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8
Q

What does cell membrane do ?

A

controls what enters and leaves the cell

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9
Q

What is diffusion ?

A

movement of particles from an area of a high concentration to an area of a low concentration down a concentration gradient

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10
Q

What is osmosis ?

A

the diffusion of water molecules from a high to a low concentration across a semi permeable membrane

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11
Q

What is active transport ?

A

the movement of substances from a low to a high concentration against the concentration gradient

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12
Q

Why is glucose important for cells ?

needed

A

needed for respiration

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13
Q

What do plants need for a healthy growth ?

A

mineral ions

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