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Cell and Molecular Bio > Unit 2: Ch 6 Part 2 > Flashcards

Unit 2: Ch 6 Part 2 Flashcards

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Biology 101 flashcards
1
Q

What is the subunit of microfilaments?

A

actin

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2
Q

What is the motor protein of microfilaments?

A

mysosin

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3
Q

What are the 3 microfilament functions?

A

Structure

Motility

Cell division

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4
Q

Microfilament Function

What is the function of microvilli?

A

To increase surface area.

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5
Q

Microfilament Function: Motility

What is the role of pseudopodia in amoeba and neutrophil movement?

A

Actin / Mysoin constricts one end to extend pseuopodium

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6
Q

Microfilament Function: Motility

Actin interacts with ___ for muscle contraction

A

Myosin

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7
Q

Microfilament Function: Cell Division

When does the cleavage furrow form?

A

Cytokinesis

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8
Q

Microfilament Function: Cell Division

How does the contractile ring form?

A

Interaction between Actin/Myosin

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9
Q

What is the Microtubule subunit?

A

Tubulin

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10
Q

What are the microtubule motor proteins?

A

Kinesin and Dynein

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11
Q

Microtubule Function: Structure

What is the purpose of a centrosome?

A

Microtubules originate at centrosomes and radiate out

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12
Q

Microtubule Function: Motility

How do microtubules aid Kinesin and Dynein?

A

A track for the motor protein

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13
Q

Microtubule Function: Motility

Cilia and flagella interact with which motor protein?

A

Dynein

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14
Q

Microtubule Function: Motility

Many per cell

Moves across the surface: falopian tube / respiratory tract

A

Cilia

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15
Q

Microtubule Function: Motility

Usually one per cell

A

Flagella

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16
Q

Microtubule Function: Cell division

How do microtubules aid cell division?

A

Pull apart chromosomes

17
Q

What is the intermediate filament subunit?

A

Keratin

18
Q

Do intermediate filaments have motor proteins?

A

No

19
Q

Intermediate Filament Function?

A

Maintain shape and position of organelles

20
Q
A

Cell and Molecular Bio (14 decks)

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