Mammalian cell Flashcards

0
Q

Cell membrane

A

A thin envelop that regulates the entry and exit of various molecules
Double membrane made of phosolipids
Encloses the liquid phase of the cell

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1
Q

Four fundamental parts

A

Cell membrane
Cytoplasm
Organelles
The inclusion

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2
Q

Cytoplasm

A

Liquid phase of cell

Contains the organelles

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3
Q

Nucleus

A

Found at the center (not always)

Contains chromatin in its center

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4
Q

Chromatin

A

Loosely coiled DNA

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5
Q

Nucleoplasm

A

Liquid phase of the nucelus

Suspends the chromatin

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6
Q

Nuclear membrane

A

Limiting envelope surrounding the nucelus

Contains pores allowing for molecules to pass btw the cytoplasm and nucleoplasm

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7
Q

Nucleoli

A

In the nucleus
One to four inside
Concerned with protein synthesis

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8
Q

Ribosomes

A

Produced by rough endoplasmic reticulum as projections on its outside surface

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9
Q

Rough endoplasmic reticulum

A

Protein synthesis

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10
Q

Smooth endoplasmic reticulum

A

Lipid and steroid synthesis

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11
Q

Golgi appartus

A

Package protein released from the rough endoplasmic reticulum

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12
Q

Cytoplasmic secretory vesicles

A

Packaged protein ready for cellular use or export

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13
Q

Mitochondria

A

Double layered sphe

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14
Q

Polyribosomes

A

Groups of ribosomes that have similar structure abd function to ribsomes from Rough ER but freely float

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15
Q

Centrioles

A

In cells that can duplicate
Tubules arranged at right angles to one another
Control movement of chromosomes during cell duplication

16
Q

Inclusions

A

Products that have accumulated in the cytoplasm of particular cells
Ex: fat droplets in liver cells that encounter high lvls of alcohol over extended periods of time