„Certified by”

Deputy of the chair___________ N. Melnicova

„19” November, the year 2007.

BLOCK OF TESTS Variant №7

Question 1. What does it mean inverted sugar?

1 Change of rotation angle of sugar

2 Mixture of mono- and oligosaccarides

3 Mixture of monosaccarides after full sucrose hydrolysis

4 Mixture of mono- and polysaccharides

Question 2. What did Heyors investigate?

1 Formulas of lipids

2 Formulas of amino-acids

3 Structural formulas of carbohydrates

4 Structural formulas of fatty acids

Question 3. Which method is used for beginnary preparation of biomaterials?

1 Electrophoresis

2 Chromatography

3 Homogenization

4 Photometry

Question 4. Which substance is coferment of oxydoreductases?

1 Folic

2 Piridoxynic

3 Pantotenic

4 NAD

Question 5. Which vitamin is necessary for regulation of Ca-P metabolism?

1 Vitamin A

2 Vitamin D

3 Vitamin В₁₂

4 Vitamin E

Question 6. What does it mean enthalpy?

1 Defense of colloids from solids

2 The sum of inner energy and work of extension of system till some volume

3 Colloid defense

4 All the above mentioned

Question 7. What is the function of phosphate groups of phosphorilated metabolites of glycolysis?

1 They perform the function of identification and bounding

2 Take part in metabolic energy accumulation

3 They prevent these metabolites from coming out of the cell

4 All the above mentioned

Question 8. How many ATP-molecules are used during anaerobic splitting of 1 molecule of glucose?

1 – 2;

2 –3;

3 – 4;

4 – 5.

Question 9. Allosteric activators of phosphofructokinase are:

1 Phosphate and K⁺

2 Fructose 1, 6 diphosphate

3 AMP and ADP

4 All the above mentioned

Question 10. How many ATP molecules can be formed during full oxidation of 1 glucose molecule to H₂O and CO₂?

1 – 10;

2 – 38;

3 – 42;

4 – 46.

Question 11. Cellular respiration is:

1 Splitting of acetyl-group residues to CO₂ and Hydrogen atoms

2 Oxidative formation of Acetyl-KoA from different substrates

3 Transport of electrons on O₂ associated with ADP phosphorylation to ATP

4 All the above mentioned

Question 12. Where oxidative phosphorylation is performed:

1 In cytosoles

2 In matrix of mitohondrions

3 In respiratory chain

4 On internal surface of sarcolemma

Question 13. Where β-oxidation of fatty acids is performed:

1 In cytosoles

2 In matrix of mitohondrions

3 In respiratory chain

4 On internal surface of sarcolemma

Question 14. Which of aminoacids mentioned below are non-essential?

1 – Arg,

2 – His,

3 – Ser,

4 – Phe.

Question 15. Which of aminoacids mentioned below are ketogenic?

1 – Lys,

2 – Ile,

3 – His,

4 – Val.

Question 16. Which substance is a precursor for biosynthesis of serine?

1. aceto-acetate

2. glutaminic acid

3. 3-phosphoglicerolic acid

4. leucine

Question 17. Which substance is a precursor for biosynthesis of cysteine?

1. arhynine

2. metionine

3. glycine

4. proline

Question 18. Which of aminoacids mentioned below during oxidative splitting turn into piruvate?

1 – Asp,

2 – Phe,

3 – Glu,

4 – Gly.

Question 19. Which of aminoacids mentioned below during oxidative splitting turn into succinyl CoA?

1 – Val,

2 – Thr,

3 – Phe,

4 – Pro.

Question 20. Which enzyme catalyze reversible transformation of keto-acids into aminoacids?

1. transaminase

2. aminopeptidase

3. urioxydase

4. aminohydrolase

Question 21. Which of the substances mentioned below belong to keton bodies?

1 fumaric acid

2 α-ketoglutaric acid

3 β-hydroxybutyrate

4 acetyl CoA

Question 22. What is the end product of thymine splitting?

1. uric acid

2. β-alanine

3. β-aminoisobutyric acid

4. all mentioned above

Question 23. What is the main end product of Nitrogen metabolism in birds?

1. alantoine

2. ammonia and glyoxylic acid

3. uric acid

4. urea

Question 24. Which enzymes take part in nucleic acids hydrolysis?

1. DNA-ses

2. phosphatases

3. nucleotidases

4. all mentioned above

Question 25. What is the function of blood plasmin?

1. Decomposes fibrinogen and fibrin

2. Creates thrombuses

3. Promotes thrombuses contraction

4. Performs trophic function

Question 26. How many sub-units does hemoglobin molecule contain?

1. 2

2. 3

3. 4

4. 5

Question 27. What is the borders of pH for urine of goat?

1. 7.2-8.7

2. 7.7-8.7

3. 8.0-8.5

4. 6.5-7.8

Question 28. Which components of urine belong to pathological?

5. Uric acid

6. Alanthoin

7. Organic acids

8. Protein

Question 29. Which hormone is produced in hypothalamus?

1. Adrenalin

2. Oxitocin

3. Somatotropin

4. Thyrotropin-releasing hormone

Question 30. Which protein prevails in egg white?

1. Casein

2. Collagen

3. Hemoglobin

4. Ovo-albumine

NATIONAL AGRICULTURAL UNIVERSITY

Chair of animal biochemistry, quality and safety of agricultural products

Faculty of veterinary medicine

Speciality 7.130501 “Veterinary medicine”

Full-time tuition

Semester 3 Year 2

Subject: “Biochemistry with fundamentals of physical and colloid chemistry”

Teachers I. Kalinin, V. Zhulai.