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National 5 Biology > Topic 7 Cell Structure > Flashcards

Topic 7 Cell Structure Flashcards

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1
Q

Define cell wall

A

Supports and strengthens cell structure

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2
Q

Define cell membrane

A

Controls what substances enter and exit the cell

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3
Q

Define cytoplasm

A

The substance inside the cell membrane where chemical reactions take place

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4
Q

Define mitochondria

A

The site or aerobic respiration where most ATP is made

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5
Q

Define chloroplast

A

The site of photosynthesis and where sugar is produced

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6
Q

Define Vacuole

A

Stores water and keeps cell Tugrid

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7
Q

Define Ribisomes

A

The site of protein synthesis (anemo acids join together)

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8
Q

Define Plasmid

A

Small circular DNA particles that contain genes

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9
Q

Define nucleus

A

Controls cell activity

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10
Q

What is in an animal cell ?

A
  • cell membrane
  • nucleus
  • cytoplasm
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11
Q

What is in a plant cell ?

A
  • cell membrane
  • nucleus
  • cytoplasm
  • chlorophyll
  • cell wall
  • vacuole
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12
Q

What is in a fungus cell

A
  • vacuole
  • cytoplasm
  • ribosome
  • mitochondria
  • nucleus
  • cell wall
  • cell membrane
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13
Q

What is in a bacteria cell ?

A
  • cell wall
  • ribosome
  • plasmid
  • cell membrane
  • cytoplasm
  • DNA molecules
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14
Q

What are phospholipids ?

A

Molecules that make up the protein in the cell membrane

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15
Q

What does selectively permeable mean ?

A

Aloes some molecules through but not others

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16
Q

What is passive transport

A

Movement of molecules that does not require energy

17
Q

What is diffusion ?

A

The movement of molecules from high concentration to low concentration

18
Q

Define Osmosis

A

The movement of water from high water concentration to low water concentration

19
Q

What does tugrid mean

A

A plant cell that is filled with water

20
Q

What is active transport?

A

Movement of molecules that requires energy

National 5 Biology (8 decks)

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