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Biology B2 > Chapter 1 - Cells > Flashcards

Chapter 1 - Cells Flashcards

1
Q

What do animal and plant cells both have?

A
  1. Nucleus
  2. Cytoplasm
  3. Cell membrane
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2
Q

What does only a plant cell have?

A
  1. Cell wall
  2. Vacuole
  3. Chloroplasts
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3
Q

What does a nucleus do?

A

Controls the activity of the cell

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4
Q

What does the cytoplasm do?

A

This is where chemical reactions take place

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5
Q

What does a cell membrane do?

A

Controls what goes in and out of the cell

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6
Q

What does the cell wall do?

A

Strengthens the cell

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7
Q

What does the vacuole store?

A

Cell sap

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8
Q

What do chloroplasts do?

A

Absorb light energy to make food

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9
Q

What are properties of animal and plant cells?

A
  1. Multicellular
  2. Has a defined nucleus
  3. Contains mitochondria
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10
Q

What are properties of a fungus?

A
  1. Unicellular
  2. Has a nucleus
  3. Has a cell wall (chitin)
  4. Contains mitochondria
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11
Q

What are properties of bacteria?

A
  1. Unicellular
  2. No defined nucleus
  3. Slime caps
  4. Cell wall (murein (not cellulose))
  5. No mitochondria
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12
Q

What does a fungi cell have?

A
  1. Cell wall
  2. Nucleus
  3. Vacuole
  4. Cytoplasm
  5. Mitochondria
  6. Cell membrane
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13
Q

What does a bacteria cell have?

A
  1. Ribosomes
  2. Cell wall
  3. Capsule
  4. Cell membrane
  5. Loop of DNA
  6. Cytoplasm
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14
Q

What is mitochondria?

A

Where aerobic respiration takes place

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15
Q

What is a specialised cell?

A

A differentiated cell (it has developed into a specific type of cell so it has a specific job) e.g. red blood cell, sperm cell

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16
Q

What are the adaptations of a red blood cell?

A
  1. High surface area (biconcaved disc)

2. No nucleus = more space for haemoglobin

17
Q

What do the different parts of a leaf do?

A

Waxy layer: reduced evotranspiration

Palisade layer: lots of chloroplasts

Spongy mesophyll: short diffusion pathway

Guard cell: opens and closes to produce stomata opening

Stomata: can open and close to allow gas exchange

Biology B2 (8 decks)

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