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Fundamentals of Human Physiology > Tri A - Cells > Flashcards

Tri A - Cells Flashcards

1
Q

What are organelles?

A

The internal Structures of a cell

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2
Q

What is the cell membrane made of?

A

Phospholipid bilayer, embedded proteins, attached carbohydrates

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3
Q

What is the function of the cell membrane?

A

Controls entry and exit of materials
Barrier between outside and inside of cell

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4
Q

What is the Cytoplasm made of?

A

Cell contents; Organelles and Cytosol

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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 are ribosomes made of?

A

Composed of 2 sub-units, 1 large and 1 small

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7
Q

What is the function of Ribosomes?

A

Site of protein synthesis

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8
Q

What is the structure of the Endoplasmic Reticulum?

A

Network of folded membranes (flattened sacs or tubules)

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9
Q

What is the function of the Endoplasmic Reticulum?

A

Rough ER - protein synthesis
Smooth ER - stores calcium ions

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10
Q

What is the structure of the Golgi Complex?

A

Flattened membranous sacs bulging at edges

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11
Q

What is the function of the Golgi Complex?

A

Modifies and packages proteins
Some packaged into vesicles

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12
Q

What is the function of Lysosomes?

A

Contain digestive enzymes and break down materials inside the cell

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13
Q

What is the function of Peroxisomes?

A

Oxidise organic substances for detoxification

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14
Q

What is the function of Proteasomes?

A

Digest unneeded, damaged and faulty proteins

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15
Q

What is the function of Granules?

A

Contains food stores

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16
Q

What is the structure of Mitochondria?

A

Smooth outer membrane - folded inner membrane

17
Q

What is the function of Mitochondria?

A

Energy production (ATP)

18
Q

What is the structure of the Nucleus?

A

Large round structure
Surrounded by nuclear envelope
Nuclear pores

19
Q

What is the function of the Nucleus?

A

Controls protein synthesis
Stores genetic material

Fundamentals of Human Physiology (20 decks)

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