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Biology - Paper 1 > 1.1 Eukaryotic and Prokaryotic Cell Functions > Flashcards

1.1 Eukaryotic and Prokaryotic Cell Functions Flashcards

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1
Q

Define eukaryotic cells

A

Cells with DNA stored in a nucleus

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2
Q

Examples of eukaryotic cells

A
  • Animal cells
  • Plant cells
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3
Q

Define prokaryotic cells

A

Cells that do not have a nucleus. DNA is stored as a chromosomal ring.

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4
Q

Examples of prokaryotic cells

A
  • Bacteria cells
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5
Q

What is an organelles?

A

A specialised structure found inside a cell

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6
Q

What parts of a cell are in a animal cell?

A
  • Cell membrane
  • Cytoplasm
  • Nucleus
  • Ribosome
  • Mitochondria
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7
Q

What parts of a cell are in a plant cell?

A
  • Cell membrane
  • Cytoplasm
  • Nucleus
  • Ribosome
  • Mitochondria
  • Cell wall
  • Chloroplast
  • Vacuole
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8
Q

What parts of a cell are in a bacteria cell?

A
  • Cell wall
  • Cytoplasm
  • Chromosomal ring of DNA
  • Plasmids
  • Flagella
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9
Q

What is the function of the nucleus?

A
  • Controls the activities of cells. - - Chromosomes which contain DNA are stored here
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10
Q

What is the function of cytoplasm?

A
  • Site of chemical reactions
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11
Q

What is the function of the cell membrane?

A
  • Controls what enters and leaves the cell
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12
Q

What is the function of mitochondria?

A
  • Site of aerobic reactions
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13
Q

What is the function ribosomes?

A
  • Site of protein synthesis
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14
Q

What is the function of chloroplasts?

A
  • They contain chlorophyll which absorbs light energy for photosynthesis
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15
Q

What is the function of the vacuole?

A
  • Stores cell sap and keeps the cell firm and rigid
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16
Q

What is the function of the cell wall (in a plant cell)?

A
  • Made of cellulose
  • Supports and protects the cell
  • Helps the cell maintain cell shape
17
Q

What is the function of the cell wall (in a bacteria cell)?

A
  • Made of peptifogylcan
  • Supports and protects the cell
  • Helps the cell maintain cell shape
18
Q

What is the function of chromosomal DNA?

A
  • Controls bacteria cell activities
19
Q

What is the function of plasmids?

A
  • Smaller loops of DNA
20
Q

What is the function of flagellum?

A
  • Spin round like a propeller so the bacterium can move

Biology - Paper 1 (19 decks)

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