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Anatomy > McKinley Chapter 2 > Flashcards

McKinley Chapter 2 Flashcards

1
Q

Structural and functional units of all living organisms

A

cells

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2
Q

building blocks of human body

A

cells

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3
Q

An adult contains __ cells

A

75 trillion

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4
Q

All __ perform general functions necessary to sustain life: obtain nutrients, dispose of wastes, shape, integrity and cells division

A

cells

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5
Q

Most cells are between __ and __mm in diameter

A

1 and 100 mm

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6
Q

Individual cells are observed by __microscope

A

light

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7
Q

Subcellular structures are observed by __microscope

A

electron

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8
Q 
The following are \_\_components:
plasma membrane
nucleus
nucleolus
golgi apparatus
smooth ER
rough ER
ribosomes
lysosomes
A

cell

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9
Q 
The following are \_\_functions:
covering
lining
storage
movement
defense
communication
reproduction
A

cell

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10
Q

In a cell, this structure forms the outer barrier separating internal contents of the cell from external materials

A

plasma membrane

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11
Q

Functions of the __ are the following:

  1. selective transport of materials IN and OUT of the cell
  2. Maintain structure and intracellular climate
A

plasma membrane

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12
Q

Membranes are composed of

A

lipids and proteins

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13
Q

Lipids are composed of (3) items

A

phospholipids
cholesterol
glycolipids

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14
Q

4 types of proteins in plasma membrane

A

integral proteins
peripheral proteins
enzymes
gycoproteins

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15
Q

Chemical composition of plasma membrane:
80% __
10% __
10%__, __, __

A

80% phospholipids
10% proteins: peripheral and integral
10% cholesterol, glycolipids and carbohydrates

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16
Q

Head region of phospholipid is hydrophilic or hydrophobic?

A

hydrophilic

17
Q

Tail region of phospholipid is hydrophilic or hydrophobic?

A

hydrophobic

18
Q

Plasma membrane structure is made of __ __ __

A

integral membrane proteins

19
Q

Plasma membrane float in or completely cross __ __

A

lipid bilayer

20
Q

Cellular structure that acts as selective channel for transport, acts as receptor sites for messengers (hormones)

A

plasma membrane

21
Q

Peripheral membrane proteins of the plasma membrane lie on the

A

inner/outer surface of lipid bilayer

22
Q

Peripheral membrane proteins have __role and __function in tissue organization

A

enzymatic role

structural function

Anatomy (59 decks)

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