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Biology unit 1 > Organelles > Flashcards

Organelles Flashcards

0
Q

What does the phospholipid bilayer allow?

A

Allows movement of some substances into and out of the cell.

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1
Q

Cell membrane

A

Boundary of the cell

Consists of a phospholipid belayer

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2
Q

What cannot go through the bilayer?

A

Anything with a charge or large molecules

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3
Q

Examples of those that cannot go through bilayer

A

Glucose, Sodium (Na+)

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4
Q

Where can large molucules go through to the membrane?

A

Protein channels

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5
Q

What else is phospholipid referred to as?

A

Semipermeable

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6
Q

Cytosol

A

Fluid inside cells

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7
Q

What does cytosol consist of?

A

Water and dissolved substances

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8
Q

What is the function of cytosol?

A

Bathes organelles

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9
Q

What is the name of the cytosol and the organelles combined?

A

Cytoplasm

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10
Q

Nucleus

A

Control centre of the cells

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11
Q

What does the nucleus contain?

A

DNA and nucleoli

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12
Q

What is the nucleus enclosed by?

A

A double membrane called the nuclear envelope

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13
Q

Mitochondria

A

Power house of a cell

Has an outer membrane and a highly folded inner membrane

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14
Q

Function of mitochondria

A

Produces energy in the form of ATP via the process of cellular respiration

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15
Q

Process of proteins

A

RNA - RIBOSOMES - PROTEINS

16
Q

Ribosomes

A

Are not membrane bound, therefore all cells have them

- site of protein production

17
Q

Endoplasmic Reticulum (ER)

A
  • transport substances of membrane bound channels
18
Q

Two types of ER

A

Smooth and rough

19
Q

Difference between smooth and rough ER

A

Smooth- without ribosomes

Rough- with ribosomes (makes proteins and send them off to Golgi body)

20
Q

Golgi apparatus consists of…

A

Several layers of membranes

21
Q

What does a Golgi body do?

A

Packages materials into vesicles to be transported out of the cell.

Biology unit 1 (10 decks)

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