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Anatomy > Eukaryotic Cell > Flashcards

Eukaryotic Cell Flashcards

1
Q

What is another name for plasma membrane?

A

Plasmalemma

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2
Q

What is the purpose of the plasma membrane?

A

Separate the cell from extracellular space + fluid

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3
Q

What is the plasma membrane made up of?

A
  • phospholipid
  • protein
  • carbohydrate
  • cholesterol
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4
Q

What is the main function of the plasma membrane?

A

Selective barrier that regulates the passage of certain materials in & out cell

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5
Q

What does the plasma membrane facilitate ?

A

Transport of specific mols

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6
Q

What are 3 types of membranes ?

A
  1. Impermeable - subst CANNOT cross membrane
  2. Freely permeable - substs CAN cross the membrane FREELY
  3. Selectively permeable membrane - allows CERTAIN subst to pass
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7
Q

What is the function of the cytoplasm?

A

Helps moves materials around the cell + dissolves waste

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8
Q

What does the mitochondria produce?

A

ATP produced

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9
Q

What is the inner membrane of the mitochondria called?

A

Cristae

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10
Q

What is the matrix of the membrane?

A

Enclosed part by innermost membrane

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11
Q

Why is the matrix important?

A

Respiration occurs ; high conc of Enzymes present

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12
Q

What is the function of the ER?

A
  • Synthesizes proteins, carbohydrates, + lipids

- storage + transport of these structures

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13
Q

What are the 2 types of ER?

A
  1. Smooth ER ( carbohydrate + lipid metabolism)

2. Rough ER (synthesis of protein)

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14
Q

What is the Stack of flattened membrane discs of the Golgi apparatus called?

A

Cisternae

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15
Q

What is the main function of the Golgi apparatus?

A

Distribution + shipment of cell’s chemical products

- modifies proteins + fats made in ER + preps for export outside of cell

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16
Q

What does the ribosome contain and what is its main function?

A

RNA

FN: manufacture of proteins using info provide by DNA

17
Q

What are the 2 types of ribosomes?

A
  1. Free - scattered in cytoplasm

2. Fixed- attached to ER

18
Q

What do lysosomes contain?

A

hydrolytic digestive enzymes (acid phosphatase)

19
Q

Where are lysosomes most numerous in?

A

White blood cells + macrophages

20
Q

What are lysosomes responsible for?

A
  • Intracellular digestion

- breakdown of cell waste into simple compounds

21
Q

What is the function of microtubules?

A

Stability to cell

22
Q

What is stored @ the nucleus?

A

DNA

23
Q

What is the function of the nucleus?

A
  • coordinates cell activities (growth, cell division, metabolism)
24
Q

What is the function of the nuclear pores of the nuclear envelope?

A
  • regulate passage of mols between nucleus + cytoplasm
25
Q

What is the function of the nucleolus?

A

manufactures ribosomes

Anatomy (14 decks)

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