„Certified by”

Deputy of the chair___________ N. Melnicova

„19” November, the year 2007.

BLOCK OF TESTS Variant №3

Question 1. What does it mean micelle?

1 Diffuse and adsorbic layers

2 Complex of neutral molecules

3 Diffuse layer

4 Granule with diffuse layer

Question 2. What does it mean elution?

1 Process opposite to sorption

2 Process opposite to adhesion

3 Process opposite to cineresis

4 Process opposite to condensation

Question 3. Which vitamin is water -soluble?

1 Retinol

2 Riboflavin

3 Filohinon

4 Calciferol

Question 4. Which substance is coferment of decarboxylases?

1 Pantotenic

2 NAD

3 Piridoxynic

4 Thiaminpyrophosphate

Question 5. Which of these vitamins is the most complex by structure?

1 Vitamin A

2 Vitamin D

3 Vitamin В₁₂

4 Vitamin E

Question 6. Which substance is coferment of decarboxylases?

1 Thiaminpyrophosphate

2 NAD⁺

3 Piridoxynic acid

4 Pantotenic acid

Question 7. Aerobic glycolysis promotes the synthesis of:

1 Oxalo-acetate

2 Piruvate

3 Lactate

4 Fructose 1, 6 diphosphate

Question 8. Fermentation is the process of:

1 Anaerobic splitting of organic substances accompanied by ATP synthesis

2 Aerobic splitting of organic substances with end products H₂O and CO₂

3 Cellular respiration

4 Oxidative phosphorylation

Question 9. Which enzyme promote including glycerol into glycolysis:

1 Glyceraldehyde-phospate-dehydrogenase

2 Phosphoglycerate-mutase

3 Glycerol-kinase

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 – 4;

2 – 10;

3 – 38;

4 – 42.

Question 11. Cellular respiration is:

1 Oxidative formation of Acetyl-KoA from different substrates

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

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

4 All the above mentioned

Question 12. How many ATP molecules are synthesized in respiratory chain during transmission of 1 pair of electrons from NADH on O₂?

1 – 2;

2 – 3;

3 – 4;

4 – 6.

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

1 In cytosoles

2 In respiratory chain

3 In matrix of mitohondrios

4 On internal surface of sarcolemma

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

1 – Lys,

2 – Tyr,

3 – Trp,

4 – Thr.

Question 15. Which of aminoacids mentioned below are glucogenic?

1 – Leu,

2 – Lys,

3 – Trp,

4 – Pro.

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

1. acetyl CoA

2. threonine

3. oxaloacetic acid

4. α-ketoglutaric acid

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

1. arhynine

2. serine

3. hystidine

4. piruvate

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

1 – Ile,

2 – His,

3 – Pro,

4 – Tyr.

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

1 – Lys,

2 – Met,

3 – Pro,

4 – Trp.

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

1. aminoacyltransferases

2. decarboxylases

3. phosphotransferases

4. transaminases

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

1 oxaloacetic acid

2 acetone

3 acetyl CoA

4 succinyl CoA

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

1. β-alanine

2. β-aminoisobutyric acid

3. uric acid

4. all mentioned above

Question 23. 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 24. 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 25. What is the function of blood γ-globulin?

1. Transport of different substances

2. Transport of O₂ and CO₂

3. Bonding of antigens

4. Plasmozyme transformation into thrombin

Question 26. Which protheinous fractions of blood plasma contain transferin?

1. albumin

2. α-globulin

3. β-globulin

4. γ-globulin

Question 27. What are physiological borders of pH in blood of pig?

1. 7.20-7.60

2. 7.36-7.50

3. 7.85-7.95

4. 6.00-6.80

Question 28. Which hormones are amines?

1. Glucocorticoids

2. Insulin

3. Thymosine

4. Thyroxin

Question 29. Which hormone is produced in pancreas?

1. Estrogenes

2. Glucocorticoids

3. Glucagon

4. Thyroxin

Question 30. Which protein prevails in connective tissue?

1. Collagen

2. Myosin

3. Keratin

4. Fibroin

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.