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Animal Biology > Eukaryotic Cell > Flashcards

Eukaryotic Cell Flashcards

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1
Q

what is an eukaryotic cell?

A
  • have a nucleus
  • have organelles
  • contained in a membrane
  • multicellular
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2
Q

what are examples of eukaryotes?

A

mammals, plants, fungi

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3
Q

what are the components of a eukaryotic cell? /14

A

nucleus, nucleolus, mitochondria, ribosomes, peroxisomes, lysosomes, cytoplasm, cytoskeleton, plasma membrane, rough E.R, smooth E.R, Golgi apparatus, cilia, centrioles.

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4
Q

whats the function of the nucleus?

A

cells control centre, contains genetic information, coordinates cell activity.

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5
Q

whats the function of the nucleolus?

A

stores RNA and important in production of ribosomes.

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6
Q

whats the function of the mitochondria?

A

site of respiration & produces ATP

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7
Q

whats the function of the rough endoplasmic reticulum?

A

contains many ribosomes, & important in formation & storage of proteins.

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8
Q

whats the function of the smooth endoplasmic reticulum?

A

important in formation & storage of lipids & steroids.

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9
Q

whats the function of the Golgi apparatus?

A

works together with the ER & is important in storing & packaging molecules (lipids&proteins) in vesicles.

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10
Q

whats the function of the lysosomes?

A

contains enzymes who digest waste products

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11
Q

whats the function of the plasma membrane?

A

encloses the cell contents

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12
Q

whats the function of the cilia?

A

hair like structures, help the cell move and move fluid past cell surface

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13
Q

whats the function of the cytoskeleton?

A

maintains cells shape, contains:
- microtubules (position organelles)
- actin filaments (cytokinesis & cell movement)
- intermediates filaments (provide strength & support)

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14
Q

whats the function of the ribosomes?

A

made of 2 subunits that join together to manufacture proteins

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15
Q

whats the function of the centrioles?

A

important in spindle formation during cell division & are 2 hollow cylinders that arrange at a right angle to form a centrosome

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16
Q

whats the function of the peroxisomes?

A

small vesicles containing oxidative enzymes & help remove toxic substances.

17
Q

whats the function of the cytoplasm?

A

medium for chemical reactions

Animal Biology (34 decks)

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