Chapter 3 Flashcards

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1
Q

Use of proteins

A

structure, enzymes, transport, signaling molecules

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2
Q

postive

A

hydrophilic

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3
Q

negative

A

hydrophilic

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4
Q

no charge

A

hydrophobic

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5
Q

Primary structure

A

long chain of amino acids

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6
Q

secondary

A

alpha helix and beta strands

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7
Q

tertiary

A

disulfide bridges, cystine molecules connected by side chains

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8
Q

quaternary

A

hemoglobin, 4 subunits come together

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9
Q

Cys Cys disulfide bridges

A

make up structure

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10
Q

hydrophobic forces

A

important for structure through interactions of non polar substances in the presence of polar substances

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11
Q

hydrogen bonds

A

structurally important by sharing H- atom- 2 polar groups

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12
Q

denaturing

A

death of a cell

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13
Q

nomenclature

A

mono, di, poly

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14
Q

mono

A

individual carb monomers
glucose and fructose

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15
Q

dis

A

2 monos covalently bonded together, alpha and beta

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16
Q

poly

A

3 glycosidic linkages
glycogen, starch

17
Q

sugar phosphates

A

modify carbs

18
Q

glucosamine

A

modify amino group

19
Q

physical properties of fats

A

neutral, hydrophobic

20
Q

triglycerides

A

(mono and di) the synthesis of an ester linkage releases water

21
Q

saturated fats

A

chain of carbons, h saturated, linear

22
Q

unsaturated fats

A

missing h, double covalently bonded

23
Q

sterols

A

cholesterol is important for the body because it is a constituent of membranes and it is a source of steroids