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Biology > 2. Cells > Flashcards

2. Cells Flashcards

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1
Q

What is the function of the chloroplasts?
what other structures does it have

A
  • Site of photosynthesis
  • Stroma: Stage 1 - Light absorption
  • Grana: Stage 2 - Glucose production
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2
Q

What is the function of nuclear envelopes

A
  • Controls what enters and exits the nucleus
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3
Q

What is the function of nuclear pores?

A
  • Allows the passage or large molecules out of the nucleus
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4
Q

What is the function of the nucleus?

A

Contains hereditary information

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5
Q

What is the function of the cytoplasm

A

Site of chemical reactions

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6
Q

What structures does a mitochondrion have?
What are the functions of the matrix and cristae?

A
  • Inner membrane
    -Outer membrane
  • Matrix: Controls the enzymes used in respiration
  • Cristae: Increases SA for respiration
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7
Q

What are the functions of lysosomes?

A
  • Hydrolyse waste materials (enzymes; lysozymes)
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8
Q

What is the function of the smooth endoplasmic reticulum?

A
  • Synthesises, stores and transports lipids and carbohydrates
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9
Q

What is the function of the rough endoplasmic reticulum?

A
  • Synthesises, stores and transports proteins
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10
Q

What is the function of the golgi apparatus and golgi vesicle?

A
  • Golgi apparatus: Modifies and processes molecules
  • Golgi vesicle: Transports substances
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11
Q

What is the function of the mitochondrion?

A

SIte of aerobic respiration and produces ATP

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12
Q

What is the function of the vacuole?

A
  • keep cells turgid
  • contain insoluble chemicals
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13
Q

What is the function of centrioles?

A
  • Produce spindle fibres
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14
Q

What is the function of the cell membrane surface?

A
  • Controls what enters and exists the cell
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15
Q

What are the functions of the nucleoplasm and chromosomes?

A
  • Nucleoplasm: Makes up the bulk of the nucleus
  • Chromosomes: Contains Dna
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16
Q

What is the function of the nucleolus?

A

Manufactures ribosomal RNA and assembles ribosomes

17
Q

State the stages of the cell cycle

A

The interface
G1 - Organelles duplicated
S - Duplicate DNA
G2 - The cell checks DNA for mutations

Mitosis
PMAT

Cytokinesis

  • Cell has divided into 2 identical daughter cells
18
Q

State the molecule in plant and algae cell walls

A

Cellulose

19
Q

State the molecule in prokaryote cell walls

A

Glycoproteins

20
Q

State the molecule in fungi cell walls

A

Chitin

Biology (16 decks)

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