Entrance Exam #3 (Biochemistry)

Front 1

isoelectric point

Back 1

the pH-level at which a particular molecule carries no net electrical charge. it's shortened to "pl". At pH below their pl, proteins carries a net positive charge.

Front 2

alanine

Back 2

a-amino acids, it's codons are

GCU GCC GCA GCG

Front 3

såpemolekyl

Back 3

CH3-(CH2)16-COONa

CH3-(CH2)16-COOK

Front 4

2-hydroxypropanal

Back 4

Front 5

dihydroxyacetenone

Back 5

Front 6

hydroxypropanoic acid

Back 6

Front 7

propanal

Back 7

Front 8

pOH level of pure water

Back 8

7

Front 9

cysteine

Back 9

Front 10

dalton

Back 10

enheten u for massen til et atom

Front 11

metalloids

Back 11

halvmetaller

Front 12

coordinate covalent bond

Back 12

a covalent bond in wich both electrons come fro the same atom

Front 13

electromotive force (emf)

Back 13

the induced difference of potential between electrodes

emf = E (+) - E (-)

force in a galvanic cell

Front 14

acetate can be formed in the reaction of

Back 14

glucose with methanol

Front 15

carboxylic acid

Back 15

HOOC-COOH

Front 16

At room temperature pH+pOH in water is?

Back 16

14

Front 17

at equilibrium, the rate of product formation is the same as the rate of?

Back 17

reactant formation

Front 18

the stronger the acid the lower?

Back 18

pKa

pKa= -log Ka

Front 19

nitrate (NH3) reacts with water to form?

Back 19

alakline (basisk) løsning

Front 20

aminogruppe

Back 20

NH2

Front 21

det enkleste av ketonene?

Back 21

acetone, CH3CH3

Front 22

C5H10O5

Back 22

Front 23

Strukturformel til serine

Back 23

Front 24

acetic acid (eddiksyre)

Back 24

Front 25

ribose, serine and 2-hydroxypropanoic acid can all react with acetic acid and form?

Back 25

ester

Front 26

2-bromo-2-methylbutane with NaOH forms?

Back 26

2-methylbut-1-en

Front 27

dioxyribose is an

Back 27

aldopentose

Front 28

fats are esters of?

Back 28

glycerol and fatty acids

Front 29

Back 29

cyclic form of aldohexose

Front 30

what make up a N-glycosidic bond?

Back 30

it has oxygen replaced with nitrogen

Front 31

Substances containing N-glycosidic bonds are know as?

Back 31

glycosylamine

E.g. nucleosides like adenosine

Front 32

peptides in water could have the charge?

Back 32

positive, negative and 0

Front 33

-S-S-bonds/disulfide bond effects?

Back 33

the shape of the protein

Front 34

in the dipeptide ala-gly alanine has?

Back 34

a free amino group

Front 35

an oligosaccharide is?

Back 35

a saccaride polymer containing a small number of monosaccharides. They are commonly found on the plasma membrane of animal cells where they can play a role in cell-to-cell recognition. Glycoproteins contains oligosaccharides.

Front 36

C7H60

Back 36

benzenaldehyd

Front 37

C6H60

Back 37

phenol

Front 38

C6H6

Back 38

benzene

Front 39

Back 39

phenylethanol

Front 40

Back 40

phenylmetanol

Front 41

Back 41

benzoic acid

Front 42

CH3COOH, pH?

Back 42

acetat

Front 43

Back 43

methylcyclobutane

Front 44

C3H6O2

Back 44

3-hydroxypropanal

Front 45

Back 45

methyl acetate

Front 46

Back 46

ethyl formate

Front 47

amphoteric substance

Back 47

an oxide of an element that acts both as an acid and base

E.g. water

Front 48

heterocyclic

Back 48

a cyclic compound with at least two different elements as members of it's ring

E.g. the DNA bases: adenine, cytosine, guanine and thymine

Front 49

CH3CH(NH2)COOH

Back 49

alanine

Front 50

lysine

Back 50

amino acid

Front 51

AAA, AAG are codons to the amino acid?

Back 51

lysine

Front 52

glycine

Back 52

amino acid

Front 53

GGU, GGC, GGA, GGG are codons to?

Back 53

Glycine

Front 54

cysteine

Back 54

amino acid

Front 55

UGU UGC are codons to which amino acid?

Back 55

cysteine

Front 56

lipides will hydrolyse in NaOH-solution and form?

Back 56

glyserol and sodium salts of fatty acids

Front 57

Fe2(SO4)3

Back 57

iron(III)sulfate(IV)

Front 58

Calcium oxide (CaO) reacts with water to give?

Back 58

hydroxides

Front 59

ethanol are isomer to?

Back 59

dimethyl ether

Front 60

glucose are isomer to?

Back 60

fructose

Front 61

acetic acid are isomer to?

Back 61

methyl methanoate

Front 62

propanoic acid are isomer to?

Back 62

methyl acetate

Front 63

[H+] = [OH-]

[H+] + [OH-] = 2x10-7M

Kd < 10-7

pH in water in these conditions are?

Back 63

7

Front 64

ethanothiol and cysteine both contains?

Back 64

sulfur

Front 65

C2H4NO2

Back 65

glycine

Front 66

C3H7NO2

Back 66

alanine

Front 67

C5H5N5

Back 67

adenine

Front 68

Ketones are oxidation products of?

Back 68

secondary alcohols

Front 69

substitution reaction

Back 69

a reaction where one functional group is replaced by another

Front 70

Back 70

deoxyribose

Front 71

potassium

Back 71

kalium

Front 72

1L = ?cm3

Back 72

1000cm3

Front 73

sodium

Back 73

natrium

Front 74

sodium carbonate

Back 74

Na2CO3

Front 75

kjemisk formel for glukose og fruktose?

Back 75

C6H12O6

Front 76

A product of the addition of an alcohol to a ketone. Which product is this?

Back 76

hemiketal

Front 77

carboxylic acids are oxidation products of?

Back 77

aldehydes

Front 78

P4O10 reacts with water to give?

Back 78

phosphoric acid

H3PO4

Front 79

Back 79

glyserol

Front 80

Back 80

α-peptide

Front 81

Back 81

Front 82

Back 82

Front 83

sulfuric acid, ammonium hydroxide and hydrogen sulfid in increasing acidic strength order

Back 83

NH4OH, H2S, H2SO4

Front 84

NH4HSO4

Back 84

ammonium hydrosulfate

Front 85

sulfur

Back 85

svovel

Front 86

NH4HCO3

Back 86

ammonium bicarbonate

Front 87

MnO4-

Back 87

permanganate

Front 88

which solution is being decolorized by all organic compounds with double og triple bounds between the C-atomes?

Back 88

bromide solution

Front 89

the addition reaction between pent-1-en + Br2 gives?

Back 89

1,2-dibrompentane

Front 90

carboxylic group

Back 90

-COOH

Front 91

DNA is composed of?

Back 91

deoxyribose, heterocyclic bases, phosphate

Front 92

arene substitution pattern

Back 92

orto, meta para

Front 93

Back 93

the functional group amide

Front 94

NH2

Back 94

the functional group amino

Front 95

α-carbon

Back 95

the first carbon atom that attaches to a functional group

Front 96

β-carbon

Back 96

the second carbon atom that is attached to the functional group and is directly attached to the α-carbon.

goes on with gamma, delta epsilon.

Front 97

how are the amino acids in proteins connected?

Back 97

with peptide bonds

Front 98

glucose could form a ?? ring

Back 98

hexa-membrered ring

Front 99

simple lips are esters of?

Back 99

fatty acids and glyserol

Front 100

name two monosaccharides

Back 100

glucose and ribose

Front 101

name two disaccharides

Back 101

sucrose and lactose

Front 102

name a polysaccharide

Back 102

starch

Front 103

pH level in NaCl and why

Back 103

7,because Na+ comes from a strong base, and Cl- from a strong acid

Front 104

pH level in glucose

Back 104

7

Front 105

ribose is an?

Back 105

aldopentose

Front 106

which amino acid has a free amino group in the tripeptide: Ala-Gly-Tyr

Back 106

alanine

Front 107

pH level to Sodium carbonate Na2CO3 is?

Back 107

8,1

Front 108

Back 108

peptide bond/link

Front 109

what does a glycosidic bond?

Back 109

joins carbohydrate molecule to another group

Front 110

K2SO4

Back 110

potassium sulfate

Front 111

KHSO4

Back 111

potassium hydrosulfate

Front 112

(NH4)2SO4

Back 112

ammonium sulfate

Front 113

1 u

Back 113

1,66*10-27kg

Front 114

NaC2H3O2

Back 114

sodium acetate

Front 115

CnH2n+2

Back 115

the general formula for alkanes

Front 116

CnH2n

Back 116

the general formula for alkenes

Front 117

CnH2n-2

Back 117

the general formula for alkynes

Front 118

CnH2n+1

Back 118

the general formula for alkyl group

Front 119

CnH2n

Back 119

the general formula for cycloalkanes

Front 120

Back 120

acetal

Front 121

ortho

Back 121

two substitutes that occupy adjacent (next to) positions on an aromatic ring

Front 122

soap contains of a ? chain and a ? head

Back 122

hydrophobic carbon chain and hydrophilic polar head

Front 123

the final product of the hydrolysis of starch is?

Back 123

glucose

Front 124

same element but different number of neutrons in the nucleus i called

Back 124

isotopes

Front 125

common stable polyatomic ions are

Back 125

carbonate CO3 -2

nitrate NO3 -

sulfate SO4 -2

hydroxide OH -

phosphate PO4 -3

ammonium NH4 +

hydronium H3O +

Front 126

what does the binary acids contain?

Back 126

hydrogen and a non-metal

e.g. HCl

Front 127

oxoacids contains

Back 127

hydrogen, oxygen and at least one non-metal

e.g. H2SO4

Front 128

NaOH

Back 128

sodium hydroxide

Front 129

Ca(OH)2

Back 129

calcium hydroxide

Front 130

NH4OH

Back 130

ammonium hydroxide

Front 131

NaCl

Back 131

Sodium chloride

Front 132

K2S

Back 132

potassium sulfide

Front 133

CaSO4

Back 133

calcium sulfate

Front 134

Fe(NO3)3

Back 134

irion(III)nitrate of ferric nitrate

Front 135

(NH4)3PO4

Back 135

ammonium phosphate

Front 136

the maximum oxidation number of the non-metal cannot exceed the number of the?

Back 136

group it's in

Front 137

sulfuric acid, carbonic acid and phosphoric acid are all?

Back 137

oxoacids

Front 138

H2SO4

Back 138

sulfuric acid

Front 139

H2CO3

Back 139

carbonic acids

Front 140

H3PO4

Back 140

phosphoric acid

Front 141

C3H5OH3

Back 141

glyserol

Front 142

deamination

Back 142

the process by which amino acids are broen down if there i an excess of protein intake

Front 143

hypertonic solution

Back 143

a solution with a higher concentration of solute, than som other, specific solution. (and therefore a higher osmotic pressure than the other solution)

Front 144

hypotonic solution

Back 144

the solution with a lower concentration of solute than another

Front 145

isotonic solution

Back 145

a solution whit the same concentration as some other solution.

iso- means equal