part 1

Arda Emre HAN · 76問 · 2年前

通報

問題一覧

Leucine is

essential amino acid

Between which amino acids can hydrophobic connection be?

Ala-Pro

Isoleucide is

essential amino acid

Glycine is

non-essential amino acid

Choose the correct variant of natural pep tides which are _ taken from the proteins of a2-globulin fragment of blood plasma:

C) kallidin, bradykinin, angiotensin

Which amino acid hydrates less than all others?

phenylalanine

Which enzymes convert angiotensinogen to angiotensin?

trypsin,rengin,carboxycathepsin

Cysteine

non-essential amino acid

Which amino acid takes part in the formation of disulfide bond?

cysteine

Hydrophilic amino acids are:

Asn, GIn, Ser

Which one is the 9 amino acids-consisting natural peptide which decreases loss of water In organisim?

vasopressm

Which radical gives protein molecule hydrophobic properties?

- CH3

Which of below statements is correct?

Glutamine is a polar amino acid

Which amino acid has additional amino group?

lysine

Arginine is

basic amino acid

Which reaction is not used to determine the amino acids?

Biuret reaction

Essential amino acids are

Trp, Met

Which of these tetrapeptides at pH = 9.8 will move in an electric field toward the anode?

H-Lys-Gly-Ser-Arg-OH

8. Non-proteinogen amino acid is:

ornithine

. Define the reason of biuret reaction and the corresponding color:

presence of peptide group - violet

Which natural peptide is formed from α-globulin fractions of blood?

bradykinin

9. Which reaction is used to detect Cys?

Foll's reaction

Choose the reaction used to determine the sulfur-containing amino acids (I), color of the reaction (II) and the reason (III):

Folls black SH group

Which amino acid does not form a-helix structure?

proline

Which changes occur in proteins at the isoelectric point?

the solubility decreases

Choose essential amino acids: 1. alanine 2. Lysine 3. Histidine 4. Threonine 5. leucine

2, 4, 5

Determine the hydrophobic amino acids: 1. Tyrosine 2. Methionine 3. Valine 4. Leucine 5. Asparagine

2, 3, 4

determine X Y Z

X-tryptophan Y-arginine Z-methionine

Find the correspondence between the molecular weight of albumin and globulin (M1 and M2) and hydrophilic properties (H1 and H2).

M1 <M2 ; H1> H2

At pH = 7, which amino acid has positive charge?

lysine

According to which group are there oxydated and reduced forms of glutathione?

sulphydryl

Specify the amino acid composition of collagens.

glycine

12. Which amino acid has positive charge in neutral pH (pH=7)?

arginine

Isoelectric point of which amino acid corresponds the value of pH = 10.7?

arginine

13. Which essential amino acid is used in the treatment of protein deficiency, atherosclerosis and gastritis?

methionine

Which natural peptide eliminates H2O2 which is produced as a result of autooxidation in erythrocytes?

glutathione

Which natural peptide is present in muscle tissue, eliminates the fatigue and takes away the discontinuation between oxidation and phosphorylation that occur in mitochondria of muscles?

carnosine

Lysine is:

basic amino acid

Phe and Tyr are:

aromatic amino acids

Choose the amino acid that in the free form functions as inhibition mediator and is located at the base of the spinal cord and cerebrum:

glycine

Trp and His are:

heterocyclic amino acids

Choose an amino acid which has sulfur atom in its structure:

methionine

Which amino acid has imidazole group?

His

Indicate the natural peptide, which dilates the vessels and decreases blood pressure.

bradykinin

Which amino acid has guanidinium group?

Arg

Choose the essential amino acid:

methionine

Choose pentapeptide which consists of only non-essential amino acids:

gly-ala-asp-tyr-asn

Which amino acid has hydroxyl (-OH) group?

Ser

Which amino acid has thiol (-SH) group?

Cys

Indicate natural peptide which has tripeptide structure.

glutathione

Negatively charged amino acids are:

Asp, Glu

Which amino acids have isoelectric point (pI) in the range of pH = 5.5-7.0?

aspartic acid and glutamic acid

Positively charged amino acids are:

Lys, Arg

Essential amino acid is:

tryptophan

Choose hydrophilic amino acids with cationic radicals:

lys, arg

At pH = 7, which amino acid has positive charge?

lysine

Which amino acids have positive charge in neutral PH (PH=T)? 1. Lysine 2. Alanine 3. Glutamic acid 4. Arginine 5. Asparagine

1,4

In pH=10, aspartate has charge:

-2

Which amino acid hydrates less than all others?

leucine

Tryptophan is:

heterocyclic amino acid

Tryptophan is:

essential amino acid

The presence of peptide bond is determined by the reaction of:

biuret

Valin is:

essential amino acid

Choose amino acids, which have sulfur atom in their structure:

cysteine, methionine

Which amino acid takes part in some metabolic processes as donor of methyl group?

methionine

Alanine is:

non-essential amino acid

Which amino acid does not take part in the formation of hydrogen bonds?

proline

Serine is:

non-essential amino acid

Asparagine is:

non-essential amino acid

Which amino acid hydrates most of all?

arginine

Glutamine is:

non-essential amino acid

In pH=7, aspartic acid has charge:

-1

Aspartic acid is:

non-essential amino acid

Which color reaction will be positive for tryptophan 1) Hopkins –Adamkevich 2) Foll 3) Sacaguchi 4) Shultz-Raspail 5) Mulder

1,4,5

Glutamic acid is:

non-essential amino acid

Between which amino acids can bonds form due to Van der Waals interaction?

ala-leu

Methionine is:

essential amino acid

Choose the diaminmonocarbonic acid:

lysine

Choose hydrophobic amino acids ?

Valine

Phenylalanine is:

essential amino acid

Choose an amino acid which has sulfur atom in its structure:

cysteine

Threonine is:

essential amino acid

Arginine is:

semi-essential amino acid

Indicate the natural peptide which regulates the vasotonus.

Bradykinin

Choose the amino acid, which has charge equal to zero at neutral pH.

alanine

Which amino acids are essential?

Val, Trp, Met

Which amino acids are essential?

Phe, Trp, Lys

Which of below is a hydrophobic amino acid?

leucine

Which amino acids are essential?

Thr, lle, Trp

Which of following structures is called the non-proteinogenic amino acid?

b-alanine

Polar amino acids are:

Ser, Cys, Thr

Which substance is synthesized from tryptophan?

nicotinic acid

Choose the hydrophilic amino acids which have polar charged radicals:

lys,arg

Polar amino acids are:

Ser, Asn, Glu

Which natural peptide is present in muscle tissue?

carnosine

Basic amino acids have:

positively charged

Which color reaction will be positive for the tetrapeptide: leucine-serine-threonine-arginine?

Sakaguchi

Positively charged amino acids are:

Lys, Arg

100

How is the polypeptide chain of protein broken which is bond by disulfide bonds?

by performiat

Histo100-200

Histo100-200

76問 • 2年前

Arda Emre HAN · 79問 · 2年前

histoloji 200-300

histoloji 200-300

79問 • 2年前

Arda Emre HAN · 111問 · 2年前

mikro biyoloji tüm pdfler

mikro biyoloji tüm pdfler

111問 • 2年前

Arda Emre HAN · 123問 · 2年前

part 2

part 2

123問 • 2年前

Arda Emre HAN · 47問 · 2年前

part 3

part 3

47問 • 2年前

Arda Emre HAN · 121問 · 2年前

part 4

part 4

121問 • 2年前

Arda Emre HAN · 50問 · 2年前

İctimai Sağlamlık 100soru

İctimai Sağlamlık 100soru

50問 • 2年前

Arda Emre HAN · 10問 · 2年前

fizyoloji

fizyoloji

10問 • 2年前

gıdalanma final ilk 30

gıdalanma final ilk 30

gıdalanma final ilk 30

gıdalanma final ilk 30

gıdalanma final ilk 30

gıdalanma final ilk 30

gıdalanma final ilk 30

gıdalanma final ilk 30

Arda Emre HAN · 51問 · 2年前

biyokimya 170-207

biyokimya 170-207

51問 • 2年前

Arda Emre HAN · 48問 · 2年前

Patfiz 16-64

Patfiz 16-64

48問 • 2年前

Arda Emre HAN · 20問 · 2年前

1-20

1-20

20問 • 2年前

Arda Emre HAN · 20問 · 2年前

20-40

20-40

20問 • 2年前

Arda Emre HAN · 33問 · 2年前

Epi 91-123

Epi 91-123

33問 • 2年前

Arda Emre HAN · 16問 · 2年前

97-112

97-112

16問 • 2年前

Arda Emre HAN · 39問 · 2年前

44-86

44-86

39問 • 2年前

Arda Emre HAN · 43問 · 2年前

87-130

87-130

43問 • 2年前

Arda Emre HAN · 163問 · 2年前

biyokimya 170

biyokimya 170

163問 • 2年前

Arda Emre HAN · 17問 · 2年前

mikrop 11-15

mikrop 11-15

17問 • 2年前

gas gagrene

Arda Emre HAN · 5問 · 2年前

gas gagrene

5問 • 2年前

tekamul genetikası

tekamul genetikası

Arda Emre HAN · 115問 · 1年前

biyofiz 125

biyofiz 125

115問 • 1年前

Arda Emre HAN · 51問 · 1年前

50-100

50-100

51問 • 1年前

Arda Emre HAN · 201問 · 1年前

sinav

sinav

201問 • 1年前

Arda Emre HAN · 35問 · 1年前

Patfiz kesin çıkacak

Patfiz kesin çıkacak

35問 • 1年前

Arda Emre HAN · 95問 · 1年前

patfiz

patfiz

95問 • 1年前

Arda Emre HAN · 12問 · 1年前

1-12

1-12

12問 • 1年前

Arda Emre HAN · 30問 · 1年前

patanat

patanat

30問 • 1年前

Arda Emre HAN · 38問 · 1年前

Patanat son 60

Patanat son 60

38問 • 1年前

Arda Emre HAN · 37問 · 1年前

1-42

1-42

37問 • 1年前

Arda Emre HAN · 70問 · 1年前

umumi cerrahi

umumi cerrahi

70問 • 1年前

Arda Emre HAN · 30問 · 1年前

derma 60-90

derma 60-90

30問 • 1年前

Arda Emre HAN · 30問 · 1年前

derma 90-120

derma 90-120

30問 • 1年前

Arda Emre HAN · 60問 · 1年前

Radyoloji 1-60

Radyoloji 1-60

60問 • 1年前

radyo ilk 10

radyo ilk 10

Arda Emre HAN · 48問 · 1年前

111patfiz50

111patfiz50

48問 • 1年前

Arda Emre HAN · 61問 · 1年前

patfiz 400-460

patfiz 400-460

61問 • 1年前

Arda Emre HAN · 10問 · 1年前

patfiz

patfiz

10問 • 1年前

genel cerrah ets 1-50

genel cerrah ets 1-50

Arda Emre HAN · 100問 · 1年前

genel cerrahi

genel cerrahi

100問 • 1年前

deri 50-100

deri 50-100

Arda Emre HAN · 100問 · 1年前

son

son

100問 • 1年前

Arda Emre HAN · 40問 · 1年前

emre

emre

40問 • 1年前