Form 1.

75 %

Question 1. What does it mean рН?

1

1 Ionic control

2

2 Data of Hydrogen ions concentration

3

3 Data of Hydroxyl ions concentration

4

4 Normality

75 %

Question 2. What does it mean enthalpy?

1

Colloid defense

2

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

3

Defense of colloids from solids

4

All the above mentioned

100 %

Question 3. Which enzyme is activated by Zn ions

Carboanhydrase

Lipase

Lease

Amylase

100 %

Question 4. Vitamin D derives from:

Sterols

Cyclopentan-perhydrofenantren

Cyclic nucleotides

Cyclic amino-acids

75 %

Question 5. Which vitamin is fat-soluble?

Retinol

Riboflavin

Thiamine

Holine

75 %

Question 6. Which substance is coferment of oxydoreductases?

Pantotenic acid

FAD

Piridoxynic acid

Folic acid

50 %

Question 7. How many basic reactions take part in glycolysis?

8;

10;

12;

15.

50 %

Question 8. Allosteric activators of phosphofructokinase are:

1

AMP and ADP

2

Fructose 1, 6 diphosphate

3

Phosphate and K⁺

4

All the above mentioned

75 %

Question 9. Krebs cycle is the process of:

1

Aerobic splitting of substrates

2

Amphibolic way of metabolism

3

Splitting of acetyl-group residues

4

All the above mentioned

50 %

Question 10. Oxidative phosphorylation is:

1

ATP synthesis associated with transport of electrons on O2

2

Aerobic splitting of organic substances with end products H2O and CO2

3

Cellular respiration

4

Anaerobic splitting of organic substances accompanied by ATP synthesis

100 %

Question 11. Oxidative phosphorylation is:

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

ATP synthesis associated with transport of electrons on O₂

100 %

Question 12. How many ATP molecules are synthesized in respiratory chain during transmission of 1 pair of electrons from FADH₂ on O₂?

1;

2;

4;

5.

75 %

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

Acetyl-CoA, NADH, FADH₂

Succinyl-CoA, NADPH

Palmytoyl-CoA, ATP

Palmytoyl-karnitin

75 %

Question 14. Which of aminoacids mentioned below are essential?

Lys,

Glu,

Cys,

Tyr.

50 %

Question 15. Which of aminoacids mentioned below are ketogenic?

Ala,

Arg,

Tyr,

Thr.

75 %

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

arginine

piruvate

oxaloacetic acid

metionine

50 %

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

glycine

glutaminic acid

lysine

proline

50 %

Question 18. Which substance is a direct precursor for biosynthesis of succinic acid?

1. malic acid

2. succinylCoA

3. isocitric acid

4. α-ketoglutaric acid

50%

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

1 Ala,

2 Arg,

3 Asn,

4 Gln.

50 %

Question 20. Which of aminoacids mentioned below during oxidative splitting turn into oxaloacetic acid?

1 Asp,

2 Phe,

3 Glu,

4 Gly.

50 %

Question 21. Which group of enzymes catalyzes reversible transformation of aminoacids into keto-acids?

1. aminoacyltransferases

2. phosphotransferases

3. aminotransferases

4. decarboxylases

50 %

Question 22. Which substances are the sources of anabolic Nitrogen for animals?

1. urea

2. lipids

3. proteins

4. all mentioned above

100 %

Question 23. What substance is a product of ornithin Krebs cycle?

1. alanine

2. citrulline

3. ornithin

4. urea

100 %

Question 24. 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

100 %

Question 25. What is the function of blood hemoglobin?

1. Transport of different substances

2. Transport of O2 and CO2

3. Bonding of antigens

4. Plasmozyme transformation into thrombin

50 %

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

1. albumin

2. α-globulin

3. β-globulin

4. γ-globulin

75 %

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

7.20 - 7.60

7.36 - 7.50

7.85 - 7.95

6.00 - 6.80

75 %

Question 28. Which components of urine belong to physiological?

1. Bilirubin

2. Hemoglobin

3. Hormones

4. Ketone bodies

75 %

Question 29. Which hormone is produced in thymus?

1. Oxitocin

2. Parathyroid hormone

3. Thyrocalcitonin

4. Thymosine

75 %

Question 30. Which protein prevails in muscle tissue?

1. Collagen

2. Myosin

3. Keratin

4. Fibroin