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Flashcards > Ch 4 > Flashcards

Ch 4 Flashcards

1
Q

What is cytology?

A

Study of cells

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2
Q

Cells vary greatly in

A

Size and shape

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3
Q

What is plasma membrane?

A

Cell membrane, determines what comes in and what goes out

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4
Q

Movement of plasma membrane

A

Cilia and flagellum

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5
Q

Absorbtion of plasma membrane

A

Microvilli

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6
Q

What is the nucleus?

A

Largest structure in cell, enclosed by a nuclear envelope and contains DNA

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7
Q

What is nucleoplasm?

A

Inner fluid in the nucleus

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8
Q

What is cytoplasm?

A

In between plasma membrane and nucleus

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9
Q

What does cytoplasm contain?

A

Cytosol, organelles, and inclusions

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10
Q

What is cytosol?

A

Resident to flow of cytoplasm

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11
Q

What is organelles?

A

Complex, organized structure within cells

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12
Q

What is membrane-bound organelles?

A

Enclosed by a membrane, separates contents from cytosol

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13
Q

What is non-membrane-bound organelles?

A

Not enclosed within a membrane, composed of protein

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14
Q

What is endoplasmic reticulum?

A

Membrane of structure

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15
Q

What is rough ER

A

Has ribosomes, important for production of proteins

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16
Q

What is smooth ER

A

Important for lipid synthesis, calcium storage

17
Q

What is Golgi apparatus?

A

UPS of proteins, package and transport

18
Q

Main functions of cells

A

Maintain shape, obtain nutrients, and dispose of waste

19
Q

Example used for phospholipids.

A

Ballon with two tails

20
Q

What are the functions of plasma membrane?

A

Fluid mixture and regulates movement

21
Q

Ensures cytosol remains…

A

Inside the cell

22
Q

Ensures interstitial fluid…

A

Remains outside

23
Q

What is the purpose of cholesterol?

A

Stabilizes membrane against temperature

24
Q

What is glycolipids?

A

Sugar lipid complex

25
Q

How to identify cholesterol?

A

Steroid 4 rings

26
Q

What is attached to lipids?

A

Glycolipids

27
Q

How to identify carbohydrates?

A

Green hexagon

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