зачот / До тестов Биохимия АНГЛ

Which of aminoacids mentioned below are essential?

– Tyr, 2 – Ser, 3 – Ile, 4 – Cys.

1 – Lys, 2 – Glu, 3 – Cys, 4 – Tyr.

Which of aminoacids mentioned below are non-essential?

– Lys, 2 – Tyr, 3 – Trp, 4 – Thr.

1 – Arg, 2 – His, 3 – Ser, 4 – Phe.

Which of aminoacids mentioned below are glucogenic?

– Leu, 2 – Lys, 3 – Trp, 4 – Pro.

1 - Arg, 2 – His, 3 – Trp, 4 – Lys.

Which of aminoacids mentioned below are ketogenic?

– Lys, 2 – Ile, 3 – His, 4 – Val.

1 – Ala, 2 – Arg, 3 – Tyr, 4 – Thr.

Which of aminoacids mentioned below are cyclic?

– Arg, 2 – Met, 3 – Phe, 4 – Ser.

Which of aminoacids mentioned below are hetero-cyclic?

– Ser, 2 – Trp, 3 – Thr, 4 – Tyr.

Which of aminoacids mentioned below are aliphatic?

– Trp, 2 – Thr, 3 – Tyr, 4 - His.

Which of aminoacids mentioned below are dicarboxylic?

– Asp, 2 – Ala, 3 – Gln, 4 – Val.

Which of aminoacids mentioned below are monoaminomonocarboxylic?

– Lys, 2 – Arg, 3 – Gly, 4 – Glu.

Which of aminoacids mentioned below are diaminic?

– Leu, 2 – Val, 3 – Met, 4 – Lys.

Which of aminoacids mentioned below are sulphur-containing?

– Leu, 2 – Val, 3 – Met, 4 – Lys.

1 – Cys, 2 – Glu, 3 – Lys, 4 – Tyr.

uric acid, β-aminoisobutyric acid, glyoxylic acid, alantoine, nucleotide, nucleoside, phosphoric acid, DNA-ses, polymerases, phosphatases, nucleosidases, glycolysis, gluconeogenesis, pentose-phosphate pathway, β-oxidation of fatty acids.

Which substance is a precursor for biosynthesis of Alanine? Piruvate Valine Acetone Proline

Which substance is a precursor for biosynthesis of Asparagine? Asparaginic acid Alanine Glycine Tyrozine Arhynine

Which substance is a precursor for biosynthesis of Asparaginic acid? Oxaloacetic acid Piruvate Metionine Asparagine

Which substance is a precursor for biosynthesis of Glutamin? Glutaminic acid Lysine Glycine Proline

Which substance is a precursor for biosynthesis of Glutaminic acid? α-ketoglutaric acid Treonine oxaloacetic acid Acetyl CoA

Which substance is a precursor for biosynthesis of Glycine? Serine Arhynine Hystidine Piruvate

Which substance is a precursor for biosynthesis of Serine? 3-phosphoglicerolic acid aceto-acetate Glutaminic acid Leucine

Which substance is a precursor for biosynthesis of Cysteine? Metionine Glycine Proline Arhynine

Which substance is a precursor for biosynthesis of Cysteine? Serine Glutaminic acid Leucine Lysine

Which substance is a precursor for biosynthesis of Proline? Glutaminic acid Alanine Glycine Tyrozine

Which substance is a precursor for biosynthesis of Tyrozine? Phenylalanine fumaric acid α-ketoglutaric acid Treonine

Which substance is a precursor for biosynthesis of aceto-acetate? aceto-acetyl CoA β-hydroxybutyrate β-hydroxymetylglutarylCoA All mentioned above

Which substance is a precursor for biosynthesis of β-hydroxybutyrate? aceto-acetate acetone α-ketoglutaric Alanine

Which substance is a precursor for biosynthesis of acetone? aceto-acetate Oxaloacetic acid fumaric acid α-ketoglutaric acid

Which substance is a direct precursor for biosynthesis of Citric acid? acetyl CoA and oxaloacetic acid, fumaric acid and succinylCoA, Malic and succinic acids, isocitric and α-ketoglutaric acids.

Which substance is a direct precursor for biosynthesis of fumaric acid? succinic acids oxaloacetic acid Glutaminic acid Leucine

Which substance is a direct precursor for biosynthesis of succinic acid? succinylCoA Malic acid isocitric acid α-ketoglutaric acid

What are the functions of aminoacids in organism?

– Structural components of biomembranes

– Structural components of proteins

– Store of metabolic energy

– All mentioned above

What are the functions of aminoacids in organism?

– Precursors of hormones, carbohydrates and lipids

– Structural components of proteins

– Form of metabolic energy transport

– All mentioned above

Which of aminoacids mentioned below during oxidative splitting turn into piruvate?

– Ala, 2 – Arg, 3 – Asn, 4 – Gln.

1 – Asp, 2 – Phe, 3 – Glu, 4 – Gly.

Which of aminoacids mentioned below during oxidative splitting turn into oxaloacetic acid?

– Asp, 2 – Phe, 3 – Glu, 4 – Gly.

1 – Ala, 2 – Arg, 3 – Asn, 4 – Gln.

Which of aminoacids mentioned below during oxidative splitting turn into fumaric acid?

– Val, 2 – Thr, 3 – Phe, 4 – Pro.

1 – Ile, 2 – His, 3 – Pro, 4 – Tyr.

Which of aminoacids mentioned below during oxidative splitting turn into succinyl CoA?

– Val, 2 – Thr, 3 – Phe, 4 – Pro.

1 – Lys, 2 – Met, 3 – Pro, 4 – Trp.

Which of aminoacids mentioned below during oxidative splitting turn into α-ketoglutaric acid?

– Val, 2 – Thr, 3 – Phe, 4 – Pro.

1 – Ser, 2 – Gln, 3 – Gly, 4 – Asp.

Which of aminoacids mentioned below during oxidative splitting turn into aceto-acetyl CoA?

– Phe, 2 – Thr, 3 – Ser, 4 – Pro.

1 – Ala, 2 – Arg, 3 – Lys, 4 – Met.

Which of aminoacids mentioned below during oxidative splitting turn into acetyl CoA?

– Arg and Asp, 2 – Cys and Leu, 3 – Glu and Phe, 4 – Ile and Lys.

1 – Ala and Asn, 2 – Arg and Lys, 3 – Leu and His, 4 – Trp and Thr.

Which enzyme catalyze reversible transformation of aminoacids into keto-acids?

– Dehydrogenases

– Aminoacyltransferases

– Phosphotransferases

– Aminotransferases

– Decarboxylases

Which enzyme catalyze reversible transformation of keto-acids into aminoacids?

– Aminopeptidase

– Carboxypeptidase

– Aminotransferases

– Dipeptidase

– Himotrypsine

Which enzyme catalyze reversible transformation of keto-acids into aminoacids?

– Transaminases

– Aminopeptidase

– Urioxydase

– Xantinoxidase

– Aminohydrolase

Which enzyme catalyze reversible transformation of aminoacids into keto-acids?

– Aminoacyltransferases

– Decarboxylases

– Dehydrogenases

– Phosphotransferases

– Transaminases

Which of the substances mentioned below belong to keton bodies?

– aceto-acetate

– piruvate

– oxaloacetic acid

– aceto-acetyl CoA

Which of the substances mentioned below belong to keton bodies?

– fumaric acid

– α-ketoglutaric acid

– β-hydroxybutyrate

– acetyl CoA

Which of the substances mentioned below belong to keton bodies?

– oxaloacetic acid

– acetone

– acetyl CoA

– succinyl CoA

Which enzyme catalyze protein hydrolysis in stomach?

Carboxypeptidase

Pepsine

Trypsine

Himotrypsine

Which enzyme catalyze protein hydrolysis in bowels?

Decarboxylase

Dehydrogenase

Pepsine

Trypsine

Which enzyme catalyze protein hydrolysis in bowels?

Aminotransferases

Phosphotransferases

Himotrypsine

Transaminases

Question 28. Which enzyme cuts C-ending amino-acids in proteins?

Carboxypeptidase

Dipeptidase

Aminopeptidase

Himotrypsine

Question 28. Which enzyme cuts N-ending amino-acids in proteins?

Carboxypeptidase

Dipeptidase

Aminopeptidase

Himotrypsine

Question 96. Which way of amino-acids desamination is characteristic for mammals?

Intromolecular

Oxidative

Hydrolytic

Reductive

Question 94. Which enzyme is decompose of proteins in alimentary canal?

Carboxypeptidase

Aminopeptidase

Himotrypsine

Trypsine

All mentioned above

Which method may be used for determination of aminoacids?

Lyofilization

Distillation

Homogenization

chromatography