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Anatomy&Physio > Chemical Level Of Organization > Flashcards

Chemical Level Of Organization Flashcards

1
Q

Pure substance that cant be created or broken down by ordinary chemaical means

A

Element

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2
Q

Substance composed of 2+ elements

A

Compound

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3
Q

Smallest quantity of an element

A

Atom

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4
Q

Electrical attraction that holds atoms in the same vicinity

A

Bond

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5
Q

Ongoing, close association between ions of opposite charge

A

Ionic bond

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6
Q

Weakly positive hydrogen atom bonded to one electronegative atom

A

Hydrogen bond

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7
Q

Two atoms share electrons in mutually stabilizing relationship

A

Covalent bond

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8
Q

Strongest bond

A

Covalent

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9
Q

Weakest bond

A

Hydrogen

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10
Q

Lowers activation energy

A

Enzymes (catalyst)

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11
Q

Water inside cells

A

Intracellular fluid

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12
Q

Water outside cells

A

Extracellular fluid

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13
Q

Fluid component of blood

A

Plasma

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14
Q

Fluid surrounding all cells NOT in blood

A

Interstitial fluid

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15
Q

Dissolved substance

A

Solute

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16
Q

Solution that dissolves solute

A

Solvent

17
Q

Help to minimize large swings in pH

A

Buffer

18
Q

Simple sugars monomer

A

Monosaccharides

19
Q

2 simples sugars

A

Disaccharides

20
Q

3+ simple sugars

A

Polysaccharides

21
Q

Contains glycerol backbone + 3 fatty acids

A

Triglyceride

22
Q

Contains glycerol backbone , 2 fatty acids and a phosphate

A

Phospholipid

23
Q

Contains 4 interlocked hydrocarbon rings

A

Steroids

24
Q

Produced from phospholipids in cell membranes

A

Prostaglandin

25
Q

Contain no C = C double bonds

A

Saturated fatty acid

26
Q

Contain 1 or more C=C double bond

A

Unsaturated

27
Q

Enzyme steps

A

Substrate approach active sites on enzyme

Substrate bind to sites, producing enzyme-substrate complex

Internal changes in complex

Products are released
Enzyme returns to original form

Anatomy&Physio (4 decks)

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