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Biology > Cell Biology > Flashcards

Cell Biology Flashcards

1
Q

What are two types of eukaryotic cells

A

Animal and plant

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2
Q

What type of cell is bacteria

A

Prokaryotic

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3
Q

Where is dna found

A

In the nucleus

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4
Q

What is the function of the cell membrane

A

Controls movement of substances in and out of the cell

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5
Q

What is the function of mitochondria

A

Site of respiration to transfer energy for the cell

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6
Q

What is the function of the chloroplasts

A

Contain chlorophyll to absorb light energy for photosynthesis

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7
Q

What are ribosome for

A

To enable production of proteins (protein synthesis)

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8
Q

WHAT’S thé function of the cell wall

A

To strengthen and support the cell

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9
Q

What is the structure of the main genetic material in a prokaryotic cell

A

Single loop of dna

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10
Q

How are electron microscopes different to light microscopes

A

Electron microscopes use a beam of electrons instead of light, cannot be used to view living samples are much more expensive and have a much higher magnification and resolution

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11
Q

What is the function of a red blood cell

A

Carries oxygen around the body

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12
Q

Give three adaptations of a red blood cell

A

No nucleus
Contains a red pigment called haemoglobin
A bi concave disc shape

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13
Q

What is the function of a nerve cell

A

Carries electrical impulses around the body

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14
Q

Give two adaptations of a nerve cell

A

Branched endings
Myelin sheath insulates the axon

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15
Q

Give two adaptations of a sperm cell

A
  • Tail
  • contains lots of mitochondria
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16
Q

What is the function of a sperm cell

A

Fertilises an ovum

17
Q

What is the function of a palisade cell

A

Carries out photosynthesis in a leaf

18
Q

Give two adaptations of a palisade cell

A
  • lots of chloroplast
  • located at the top surface of the leaf
19
Q

What is the function of the root hair cell

A

Absorbs minerals and water from the soil

20
Q

Give two adaptations of a root hair cell

A
  • Long projection
  • lots of mitochondria
21
Q

What does a permanent vacuole contain

A

Contains cell sap

22
Q

What is eukaryotic

A

Organisms whose cell contain a nucleus and other membrane bound organelles

23
Q

What is the vacuoles function

A

To help in the storage and disposal of various substances

24
Q

What is a chromosome

A

Structures found in the nucleus

Biology (48 decks)

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