„Certified by”

Deputy of the chair___________ N. Melnicova

„19” November, the year 2007.

BLOCK OF TESTS Variant №6

Question 1. To which class belongs glucose?

1 Proteins

2 alcohols

3 Monosaccharides

4 Nucleic acids

Question 2. Which monosaccharide is a result of cellulose hydrolysis?

1 β-D- glucose

2 D-fructose

3 D-galactose

4 Sorbit

Question 3. Vitamin D derives from:

1 Sterols

2 Cyclopentan-perhydrofenantren

3 Cyclic nucleotides

4 Cyclic amino-acids

Question 4. Which substance is coferment of decarboxylases?

1 Thiaminpyrophosphate

2 NAD

3 Piridoxynic

4 Pantotenic

Question 5. Which of these vitamins is necessary for hemopoesis?

1 Vitamin A

2 Vitamin D

3 Vitamin В₁₂

4 Vitamin E

Question 6. What does it mean entropy?

1 Colloid defense

2 Measure of dispersion of energy

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

4 Defense of colloids from solids

Question 7. The end product of anaerobic glycolysis is:

1 Oxalo-acetate

2 Lactate

3 Piruvate

4 Acetyl-CoA

Question 8. How many basic reactions take part in glycolysis?

1 – 6;

2 – 8;

3 – 10;

4 – 13.

Question 9. Which enzymes catalyze glycogen hydrolysis?

1 Phosphatases

2 Kinases

3 Phosphorylases A and B

4 All the above mentioned

Question 10. Which enzyme promote including glycerol into glycolysis:

1 Phosphoglycerate – kinase

2 Glyceraldehyde-phospate-dehydrogenase

3 Phosphoglycerate-mutase

4 Glycerol – 3 phosphate dehydrogenase

Question 11. Krebs cycle is the process of:

1 Amphibolic way of metabolism

2 Aerobic splitting of substrates

3 Splitting of acetyl-group residues

4 All the above mentioned

Question 12. How many basic transporters of electrons are in respiratory chain?

1 – 2;

2 – 3;

3 – 4;

4 – 6.

Question 13. The end products of first stage of β-oxidation of fatty acids are:

1 Palmytoyl-CoA, ATP

2 Succinyl-CoA, NADPH

3 Acetyl-CoA, NADH, FADH₂

4 Palmytoyl-karnitin

Question 14. Which of aminoacids mentioned below are aliphatic?

1 – Trp,

2 – Thr,

3 – Tyr,

4 - His.

Question 15. Which of aminoacids mentioned below are diaminic?

1 – Leu,

2 – Val,

3 – Met,

4 – Lys.

Question 16. Which substance is a direct precursor for biosynthesis of fumaric acid?

1. oxaloacetic acid

2. succinic acid

3. glutaminic acid

4. leucine

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

1. oxaloacetic acid

2. fumaric acid

3. aceto-acetate

4. α-ketoglutaric acid

Question 18. Which of aminoacids mentioned below are sulphur-containing?

1 – Cys,

2 – Glu,

3 – Lys,

4 – Tyr.

Question 19. What are the functions of aminoacids in organism?

1. precursors of hormones, carbohydrates and lipids

2. structural components of proteins

3. form of metabolic energy transport

4. all mentioned above

Question 20. Which enzyme cuts N-ending amino-acids in proteins?

1. carboxypeptidase

2. dipeptidase

3. aminopeptidase

4. hymotrypsine

Question 21. Which enzyme is decompose of proteins in alimentary canal?

1. aminopeptidase

2. hymotrypsine

3. trypsine

4. all mentioned above

Question 22. Which nitrogenous base belongs to pyrimidines?

1. A

2. G

3. C

4. all mentioned above

Question 23. What is the end product of uracyl splitting?

1. uric acid

2. β-alanine

3. β-aminoisobutyric acid

4. all mentioned above

Question 24. Which substance synthesis disorders lead to gout disease?

1. alantoine

2. glyoxylic acid

3. urea

4. uric acid

Question 25. What is the function of blood fibrin?

1. Plasmozyme transformation into thrombin

2. Fibrinogen transformation into fibrin

3. Decomposes fibrinogen and fibrin

4. Creates thrombuses

Question 26. Which buffer system prevails in milk?

1. albuminous

2. Bicarbonated

3. Citrated

4. Phosphated

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

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?

1. Hormones

2. Bilirubin

3. Mineral salts

4. Urea

Question 29. Which hormone is produced in hypophysis?

1. Adrenalin

2. Oxitocin

3. Somatotropin

4. Thyrotropin-releasing hormone

Question 30. Which protein prevails in egg yolk?

1. Collagen

2. Ovo-albumine

3. Ovo-vitelline

4. Hemoglobin

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.