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Biochemistry > L1 Cell > Flashcards

L1 Cell Flashcards

1
Q

Characteristics of prokaryotes

A

Unicellular organisms
Highly adaptable mechanisms
Rapid reproductive rate
Lack of membrane-enclosed organelle

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2
Q

Characteristics of Eukaryotes

A

10-100 micrometer in diameter
membrane-enclosed organelles

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3
Q

What does cell membrane do?

A

-prevent molecules inside the cell from leaking out and unwanted molecules from diffusing in
-contains transport systems to take up specific molecules and remove unwanted ones

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4
Q

What are the contents of a cell membrane/ plasma membrane?

A

receptor protein
channel protein
gated channel protein
transport protein
glycoprotein
cholestrol
carbohydrate group

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5
Q

The chromosomes of a nucleus consists of _______, a complex of DNA and protein

A

chromatin

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6
Q

What is the function of nucleus?

A

DNA replication
RNA synthesis

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6
Q

Free ribosomes _________ that are released into the cytosol

A

synthesize protein

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7
Q

Membrane bound ribosomes produce _______ and proteins associated with ______.

A

transmembrane protein/ complex protein
vesicles

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8
Q

Endoplasmic reticulum has 2 types which are _______ for ______ and ______ for______.

A

Rough, protein synthesis
Smooth, lipid synthesis

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9
Q

Products of endoplasmic reticulum are transported to the _____________.

A

Golgi Apparatus

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10
Q

What is the largest particulate of the cytoplasm?

A

Endoplasmic Reticulum

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11
Q

What is Golgi Apparatus?

A

A stack of flattened membranous sacs

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12
Q

What is the function of Golgi Apparatus?

A

Process and packaging of protein and lipid from ER.

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13
Q

The finishing products of Golgi Apparatus are ________,________ and _______.

A

Secretion, Plasma membrane, Secretory vesicles.

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14
Q

Mitochondria is the site of ____________

A

cellular respiration

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15
Q

The 2 compartments of mitochondria are _______ and _______.

A

intermembrane space
internal matrix space

16
Q

Organelle that is responsible for autophagy and apoptosis:

A

lysosomes

17
Q

The most active site of protein synthesis is the ?

A

Ribosomes

18
Q

Cytoskeleton is a ray of filaments that gives cell _____ and _______.

A

shape, ability to move

19
Q

Components of cytoskeleton?

A

Microtubules
-guides movements of organelles
Microfilaments
-cellular contraction and cell movement
Intermediate filaments
-mechanical strength to cells and tisues

Biochemistry (7 decks)

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