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Biology - B1 > Cell Biology > Flashcards

Cell Biology Flashcards

1
Q

What is the difference between a prokaryotic cell and a eukaryotic cell?

A

Prokaryotic cells have no nuclues e.g bacteria cell

Eukaryotic cells have a nucleus e.g plant and animal cells

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2
Q

Description and function of the CELL MEMBRANE

A
  • Fatty acid based lipids
  • 1 region attracted to lipids
  • 1 region attracted to water
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3
Q

Description and function of the CYTOPLASM

A
  • Jelly like material holding all organelles
    -If organelles removed, soluble part is cytosol
  • Consists of water with dissolved salts, amino acids and proteins
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4
Q

Description and function of the CENTRIOLES

A
  • Found in animal cells
  • Always in pairs
  • Supports moving things in and out of cell
  • Micro-tubule (like the cells skeleton)
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5
Q

Description and function of the ENDOPLASMIC RETICULUM (ROUGH)

A
  • Network of membranes
  • Has ribosomes attached for protein synthesis
  • Flat
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6
Q

Description and function of the ENDOPLASMIC RETICULUM (SMOOTH)

A
  • Network of membranes
  • Tubular
  • Makes lipids (fats)
  • Helps with detoxification
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7
Q

Description and function of the GOLGI BODY

A

sorts and correctly ships proteins that come from the ER.

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8
Q

What happens if a mistake occurs in the GOLGI BODY

A

If a mistake is made, certain functions in the cell may stop.

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9
Q

Description and function of the LYSOSOMES

A

The cells recycling department. Receives old worn out cells like proteins and lipids that need digesting

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10
Q

Description and function of the MITOCHONDRIA

A

Membrane enclosed organelles through the cytoplasm. The main function is conversion of chemical energy of food molecules into the ATP

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11
Q

What is ATP (Adenosine Triphosphate)?

A

A high energy molecule that donates some energy to chemical reactions in the cell.

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12
Q

Description and function of the NUCLEUS

A
  • control centre of the cell
  • contains DNA
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13
Q

Description and function of the NUCLEAR PORES

A

Where ribosomes and other materials exit and enter through the nucleus

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14
Q

Description and function of the NUCLEOLUS

A

Responsible for making the ribosomes

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15
Q

Description and function of the RIBOSOMES

A
  • helps with the synthesis of proteins
  • found in the cytoplasm but most are attached to the Endoplasmic Reticulum
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16
Q
A

Biology - B1 (1 decks)

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