Week 7 Decomposition Flashcards

1
Q

separation of compounds into simpler substances by the action of microbial and/or autolytic enzymes

A

decomposition

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2
Q

decomposition of proteins

A

proteolysis

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3
Q

self-digestion or self-destruction of the body by enzymes (generally related to protein decomposition)

A

autolysis

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4
Q

a chemical reaction in which a substance is broken down or dissociated by water

A

hydrolysis

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5
Q

protein breakdown may be attributed to ____ processes

A

hydrolytic

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6
Q

the gradual decomposition of dead organic matter by the enzymes of aerobic bacteria

A

decay

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7
Q

the decomposition of proteins by the enzymatic activity of anaerobic bacteria

A

putrefaction

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8
Q

____ creates thiols, phenolic products, ammonia, and other products

A

putrefaction

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9
Q

the microbial decomposition of carbohydrates under anaerobic conditions

A

fermentation

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10
Q

carbohydrates will decompose into ____

A

simple sugars

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11
Q

carbs stored in muscles and the liver are broken down into ____ and ____

A

pyruvic acid & lactic acid

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12
Q

decomposition of sugars

A

saccharolysis

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13
Q

simple sugars from carb breakdown are further decomposed into ____ and ____

A

carbon dioxide & water

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14
Q

decomposition of fats

A

lipolysis

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15
Q

____ eventually break down into carbon dioxide and water and/or adipocere

A

lipids

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16
Q

conversion of fatty tissues of the body into a soapy waxy substance called adipocere or grave wax

A

saponification

17
Q

sequence of decomposition

A

1) tissues high in enzymes
2) carbs
3) soft proteins
4) fats
5) harder proteins
6) keratin proteins
7) bones

18
Q

signs of decomposition (5)

A

color change
odor
purge
desquamation
accumulation of gas

19
Q

building blocks of proteins

A

amino acids

20
Q

product of decomposition of fats

A

fatty acids

21
Q

any one of a group of nitrogenous organic compounds formed by the action of putrefactive bacteria on proteins (putrescine, cadaverine)

A

ptomaines

22
Q

intrinsic factors affecting decomposition (7)

A

age
sex
weight
cause of death
manner of death
bacterial and parasitic activity
pharmaceutical agents

23
Q

extrinsic factors affecting decomposition (5)

A

air
moisture
temperature
bacterial and parasitic activity
vermin / insects

24
Q

minimum, optimum, and maximum temperatures for decomposition

A

minimum 32°F
optimum 98°F
maximum 120°F