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Subject:Biochemistry with fundamentals of physical and

colloid chemistry” Teachers V. Zhulai and A. Arkhypov

BLOCK OF TESTS №4 Variant №1

Question 1. Which substances are the sources of anabolic Nitrogen for ruminants?

  1. proteins

  2. free aminoacids

  3. urea

  4. all mentioned above

Question 2. What substance is a precursor of urea in ornithin Krebs cycle?

  1. arhynine

  2. serine

  3. ornithin

  4. piruvate

Question 3. What is the end product of Nitrogen metabolism in fishes?

  1. ammonia

  2. glyoxylic acid

  3. urea

  4. all mentioned above

Question 4. Draw the structural formulas of glucose and urea.

Question 5. Draw the scheme of glycolysis.

Subject:Biochemistry with fundamentals of physical and

colloid chemistry” Teachers V. Zhulai and A. Arkhypov

BLOCK OF TESTS №4 Variant №2

Question 1. Which substances are the sources of anabolic Nitrogen for animals?

  1. urea

  2. lipids

  3. proteins

  4. all mentioned above

Question 2. What substance is a product of ornithin Krebs cycle?

  1. alanine

  2. citrulline

  3. ornithin

  4. urea

Question 3. What are the products of DNA hydrolysis?

  1. nucleotides, phosphoric acid, ribose

  2. nucleosides, deoxiribose, pyrophosphate

  3. nitrogenous bases, phosphoric acid, hexoses

  4. all mentioned above

Question 4. Draw the structural formulas of fructose and citric acid.

Question 5. Draw the scheme of gluconeogenesis.

Subject:Biochemistry with fundamentals of physical and

colloid chemistry” Teachers V. Zhulai and A. Arkhypov

BLOCK OF TESTS №4 Variant3

Question 1. What is the end product of guanine splitting?

  1. β-alanine

  2. β-aminoisobutyric acid

  3. uric acid

  4. all mentioned above

Question 2. Which substances are the sources of anabolic Nitrogen for mammals (except ruminants)?

  1. atmospheric Nitrogen

  2. free aminoacids

  3. urea

  4. all mentioned above

Question 3. What are the products of RNA hydrolysis?

  1. nucleotides, phosphoric acid, deoxiribose

  2. nucleosides, hexoses, pyrophosphate

  3. nitrogenous bases, phosphoric acid, ribose

  4. all mentioned above

Question 4. Draw the structural formulas of glycerol and α-alanine.

Question 5. Draw the scheme of pentose-phosphate pathway

Subject: “Biochemistry with fundamentals of physical and

colloid chemistry” Teachers V. Zhulai and A. Arkhypov

BLOCK OF TESTS №4 Variant №4

Question 1. What substance is a precursor of urea in ornithin Krebs cycle?

  1. alanine

  2. arhynine

  3. citrulline

  4. glutaminic acid

Question 2. What is the main end product of Nitrogen metabolism in ruminants?

  1. alantoine and urea

  2. ammonia

  3. glyoxylic acid

  4. uric acid

Question 3. Which nitrogenous base belongs to purines?

  1. A

  2. C

  3. T

  4. U

Question 4. Draw the structural formulas of ribose and lactic acid.

Question 5. Draw the scheme of tricarboxylic acids Krebs cycle.

Subject:Biochemistry with fundamentals of physical and

colloid chemistry” Teachers V. Zhulai and A. Arkhypov

BLOCK OF TESTS №4 Variant5

Question 1. What substance is a product of ornithin Krebs cycle?

  1. arhynine

  2. glutaminic acid

  3. urea

  4. uric acid

Question 2. What is the main end product of Nitrogen metabolism in Human?

  1. urea

  2. uric acid

  3. alantoine

  4. glyoxylic acid

Question 3. Which nitrogenous base belongs to purines?

  1. C

  2. G

  3. U

  4. T

Question 4. Draw the structural formulas of deoxiribose and acetone.

Question 5. Draw the scheme of ornithin Krebs cycle.

Subject: “Biochemistry with fundamentals of physical and

colloid chemistry” Teachers V. Zhulai and A. Arkhypov

BLOCK OF TESTS №4 Variant №6

Question 1. Which nitrogenous base belongs to pyrimidines?

  1. A

  2. G

  3. C

  4. all mentioned above

Question 2. What is the end product of uracyl splitting?

  1. uric acid

  2. β-alanine

  3. β-aminoisobutyric acid

  4. all mentioned above

Question 3. Which substance synthesis disorders lead to gout disease?

  1. alantoine

  2. glyoxylic acid

  3. urea

  4. uric acid

Question 4. Draw the structural formulas of β-oxibutyric acid and glycine.

Question 5. Draw the scheme of β-oxidation of fatty acids.

Subject:Biochemistry with fundamentals of physical and

colloid chemistry” Teachers V. Zhulai and A. Arkhypov

BLOCK OF TESTS №4 Variant7

Question 1. What is the end product of adenine splitting?

  1. uric acid

  2. β-alanine

  3. β-aminoisobutyric acid

  4. all mentioned above

Question 2. Which nitrogenous base belongs to pyrimidines?

  1. T

  2. G

  3. A

  4. all mentioned above

Question 3. Which enzymes take part in nucleic acids synthesis?

  1. DNA-ses

  2. phosphatases

  3. polymerases

  4. nucleosidases

Question 4. Draw the structural formulas of glutaminic and pyruvic acids.

Question 5. Draw the scheme of aminoacids oxidative splitting in Krebs cycle.

Subject: “Biochemistry with fundamentals of physical and

colloid chemistry” Teachers V. Zhulai and A. Arkhypov

BLOCK OF TESTS №4 Variant №8

Question 1. What is the end product of thymine splitting?

  1. uric acid

  2. β-alanine

  3. β-aminoisobutyric acid

  4. all mentioned above

Question 2. What is the main end product of Nitrogen metabolism in birds?

  1. alantoine

  2. ammonia and glyoxylic acid

  3. uric acid

  4. urea

Question 3. Which enzymes take part in nucleic acids hydrolysis?

  1. DNA-ses

  2. phosphatases

  3. nucleotidases

  4. all mentioned above

Question 4. Draw the structural formulas of aceto-acetate and triacil-glycerol.

Question 5. Draw the scheme of respiratory chain.

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