Cells - Cell Structure Flashcards

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1
Q

Plasmid

A

A plasmid is a small ring of genetic material which is found in bacterial cells

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2
Q

How could you describe the cell membrane, ____ permeable which controls _____

A

A cell membrane is a selectively permeable membrane which controls what enters and exits the cell

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3
Q

Cytoplasm

A

A cytoplasm is a watery, jelly like material within cells containing organelles that are the sites of various chemical reactions

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4
Q

Cell wall

A

A cell wall is the outer layer of plant, fungal and bacterial cells and helps support the cell

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5
Q

Vacuole

A

A vacuole is a membrane-bound sac which stores a solution of water, salts and sugar and helps support plant and fungal cells

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6
Q

Chloroplast

A

A chloroplast makes carbohydrate in green plant cells using light energy in the process of photosynthesis

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7
Q

Mitrochondrion

A

A mitochondrion is the main site of ATP production in aerobic respiration and is found in animal, plant and fungal cells

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8
Q

Ribosome

A

A ribosome is the site of protein synthesis in cells

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9
Q
  • Aerobic Respiration *
A

Aerobic respiration is the release of energy from food by a cell using oxygen

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10
Q
  • Cellulose *
A

Cellulose is the structural carbohydrate of which plant cell walls are composed

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11
Q

What is a unicellular organism?

A

A unicellular organism is an organism with one single cell

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12
Q

What is a multicellular organism?

A

A multicellular organism is an organism made up of many cells

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13
Q

Describe the ultrastructure of an animal cell

A
  • Cell membrane
  • Nucleus
  • Cytoplasm
  • Mitochondria
  • Ribosomes
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14
Q

Describe the ultrastructure of a plant cell

A
  • Cell membrane
  • Nucleus
  • Cytoplasm
  • Mitochondria
  • Ribosomes
  • Cell wall
  • Sap vacuole
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15
Q

Where are chloroplasts found?

A

Chloroplasts are found in green plant cells

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16
Q

Describe the ultrastructure of a fungal cell

A
  • cell wall
  • cell membrane
  • nucleus
  • cytoplasm
  • vacuole
  • mitochondria
  • ribosomes
17
Q

Describe the ultrastructure of a bacterial cell

A
  • cell wall
  • cell membrane
  • cytoplasm
  • plasmids
  • ribosomes
18
Q

Describe the nucleus

A

The nucleus contains genetic material (DNA) and controls cell activities

19
Q

Describe the cell membrane

A

The cell membrane controls the entry and exit of substances into and out of the cell

20
Q

State what the cell organelles nuclei, mitochondria and chloroplasts have in common

A

They are compartments found in the cytoplasm and are the site of chemical reactions

21
Q

Which cell does not contain organelles?

A

The bacterial cell

22
Q

Describe the function of the cell wall

A

The cell wall is for support and shape and to prevent plant cells from bursting

23
Q

Describe the function of the vacuole

A

The vacuole stores a watery solution of salts and sugars and helps to support cells