Definition of Biochemistry Flashcards

1
Q

consists of polyhydroxy -aldehyde or polyhydroxy -ketones

A

carbohydrates

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2
Q

polyhydroxy -aldehyde

A

glucose

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3
Q

polyhydroxy -ketone

A

fructose

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4
Q

smallest unit of carbohydrates

A

monosaccharides

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5
Q

carbohydrates are linked to each other by

A

ether linkages

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6
Q

consist of polymer of amino acids linked together by peptidebonds

A

proteins

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7
Q

contain amino and carboxylic acid groups in the same molecule

A

proteins

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8
Q

defined by their solubility in organic substances

A

lipids

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9
Q

contain fatty acids

A

saponifiable lipids

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10
Q

referred to as complex lipids

A

saponifiable lipids

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11
Q

do not contain fatty acids

A

non-saponifiable lipids

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12
Q

called simple lipids

A

non-saponifiable lipids

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13
Q

long chained carboxylic acids

A

fatty acids

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14
Q

is a part of amino acids that can change value

A

r group

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15
Q

essential features of a fatty acid

A

long hydrocarbon chain and carboxylic acid group

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16
Q

consists of polymer of nucleotides linked together by phosphodiester bonds

A

nucleic acids

17
Q

are nitrogenous bases bonded to a phosphate group and a sugar usually ribose

A

nucleic acids

18
Q

can be deoxyribonucleic acid (DNA) or ribonucleic acids (RNA)

A

nucleic acids

19
Q

are acidic because of the presence of the phosphoric acid group that in neutral water is converted to phosphate

A

nucleic acids

20
Q

nitrogen base + DNA only

A

thymine

21
Q

nitrogen base + DNA & RNA

A

adenine, guanine, cytosine

22
Q

nitrogen base+ RNA only

A

uracil

23
Q

sugar & phosphate bases + DNA only

A

2-deoxribose

24
Q

sugar & phosphate bases + DNA & RNA

A

phosphate

25
Q

sugar & phosphate bases + RNA only

A

ribose