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Biology Unit 1 > Parts Of The Cell > Flashcards

Parts Of The Cell Flashcards

1
Q

What is the function of the Golgi apparatus

A

Processes and packages new lipids and proteins
Also makes lysosomes

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2
Q

East id the function of the rough endoplasmic reticulum

A

Transport and package proteins made by ribosomes on their cell surface membrane

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3
Q

What is the function of the smooth endoplasmic reticulum

A

Synthesise and process lipids

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4
Q

What is the function of the nucleus

A

-contain organisms genetic material
-act as the control centre of the cell

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5
Q

What is the function of the vacuole

A

-storage f useful substances
-storage of waste products
-support el by makin=g them turgid

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6
Q

What is the function of the mitochondria

A

-site of aerobic respiration
-produce ATP as a product of respiration

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7
Q

What is t he function of the chloroplast

A

Site where photosynthesis occurs
-contains chlorophyll for absorption of light for photosynthesis

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8
Q

What is the function of the lysosomes

A

-contain digestive enzymes (lysozymes)
-kept separate from the cytoplasm

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9
Q

What is the function of the ribosomes

A

Site of protein synthesis

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10
Q

What is the function of the cell wall

A

-provide strength to prevent bursting due to osmosis
Provide strength and support for the whole plant

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11
Q

Explain how a protein is created and released from the cell

A
  • part of the DNA is copied inside the nucleus
    -template of the DNA is transported trough the nuclear pores to the ribosomes on the rough endoplasmic reticulum
    -template reaches the ribosomes and is synthesised in the rough endoplasmic reticulum
    -vesicle containing protein is transported to the Golgi body
    -vesicle meets the Golgi bod and fuses t its membrane
    -protein is further modifies and folded in the Golgi bod
    -protein is elected in a Golgi vesicle where it leaves the cell through exocytosis
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12
Q

Describe all the structures inside a chloroplast

A

Outer membrane
Inner membrane
Inter membrane space
Stroma
Lamella
Granum
Starch granule thylakoid membrane
Chloroplasts

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13
Q

Describe al the structures inside a mitochondrion

A

Inner membrane
Outer membrane
Inter membrane space
70s ribosome
Circular loop of DNA
Cristae
Matrix

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14
Q

What is the evidence for endosymbiosis

A

-circular DNA is found in both the mitochondrion and the chloroplast
-70s ribosomes are found in the mitochondria and the chloroplast
-mitochondrion and the chloroplasts are both surrounded by a double membrane

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Biology Unit 1 (11 decks)

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