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Anatomy and Physiology > Lecture 3 Part 1 > Flashcards

Lecture 3 Part 1 Flashcards

1
Q

Basic unit of structure and function

A

Human cells

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2
Q

Made of COHN + trace elements

A

Human cells

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3
Q

3 main parts of the human cells

A

Plasma membrane
Cytoplasm
Nucleus

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4
Q

Function of the plasma membrane

A

Enclose cell contents
Control exchange of substances
Cell communication

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5
Q

Plasma membrane is made of:

A

Lipid bilayer
Cholesterol
Glycolipids
Proteins

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6
Q

Proteins float in fluid lipid bilayer

A

Fluid mosaic model

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7
Q

Membrane Lipids:

A

Phospholipid
Cholesterol
Glycolipids

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8
Q

With polar and nonpolar head

A

Phospholipid

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9
Q

20% of membrane lipid
Stabilize membrane
Maintain fluidity

A

Cholesterol

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10
Q

Lipid + sugar attached
5% membrane lipid
For cell recognition

A

Glycolipids

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11
Q

Membrane proteins:

A

Integral proteins

Peripheral proteins

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12
Q

Inserted into lipid bilayer

Have both hydrophilic and hydrophobic regions

A

Integral proteins

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13
Q

Functions of integral proteins

A

Enzymes
Transport
Receptors

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14
Q

Attached loosely to membrane

A

Peripheral proteins

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15
Q

Functions of peripheral proteins:

A

Support
Enzymes
Movement Linkage

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16
Q

Protein + sugar attached

A

Glycoprotein

17
Q

Serves as specific biological marker

A

Cell recognition

18
Q

Membrane protein functions

A 
Transport
Receive chemical messages
Maintain cell shape
Enzyme activity
Intercellular joining
Cell-cell recognition
19
Q

Any substance outside the cells

A

Extracellular materials

20
Q

Extracellular materials:

A

Body fluids
Cellular secretions
Extracellular matrix

21
Q

Examples of body fluids:

A

Blood plasma

Interstitial fluid

22
Q

Examples of cellular secretions:

A

Saliva
Mucus
Gastric fluids

23
Q

Glue that holds cells together

Jelly-like substance made of proteins and carbs

A

Extracellulr matrix

Anatomy and Physiology (15 decks)

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