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Form 1.

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 4 Year 2

Subject:Biochemistry with fundamentals of physical and colloid chemistry

Teachers V. Zhulai., I. Kalinin.

Certified by

Deputy of the chair_____________________ N. Melnicova

26” June, the year 2008.

BLOCK OF TESTS Variant №1

50%

Question 1. What does it mean osmosis?

One-way movement of solvent through semi-permeable membrane

Both-ways movement of solvent through semi-permeable membrane

Sedimentation

Diffusion of gases

50 %

Question 2. What does it mean enthalpy?

1

Colloid defense

2

Defense of colloids from solids

3

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

4

All the above mentioned

%

Question 3. Which polysaccharide contains amylosa residue?

1

Glycogen

2

Starch

3

Inuline

4

Cellulose

%

Question 4. Which coferments are coferments of oxydoreductases?

1

Pantotenic

2

Nicotinamidic

3

Piridoxynic

4

Folic

%

Question 5. Which vitamin is fat-soluble?

1

Thiamine

2

Riboflavin

3

Retinol

4

Holine

%

Question 6. Which elements are macroelements?

Cu

Fe

I

S

%

Question 7. The end product of anaerobic glycolysis is:

1

Acetyl-CoA

2

Piruvate

3

Lactate

4

Oxalo-acetate

%

Question 8. The regulatory enzyme of glycolysis is:

1

Hexokinase

2

Phosphofructokinase

3

Piruvatekinase

4. Департамент праці

%

Question 9. Which enzymes catalyze glycogen hydrolysis?

1

Phosphatase

2

Phosphorylases A and B

3

Kinases

4

All the above mentioned

%

Question 10. Krebs cycle is the process of:

1

Anaerobic splitting of carbohydrates

2

Substrate phosphorylation

3

Splitting of acetyl-group residues

4

Oxidative phosphorylation

%

Question 11. How many basic transporters of electrons are in respiratory chain?

1

3

2

4

3

6

4

8

%

Question 12. Which enzyme catalyses transformation of fructose-6-phosphate into glucose-6-phosphate?

1

Phosphofructokinase

2

Phosphoglucomutase

3

Phosphoglucoisomerase

4

Thriosophosphateisomerase

%

Question 13. Which substance belongs to tricarboxylic oxyacids?

1

Isomerase

2

Isoleucine

3

Isocitric

4

Isotope

%

Question 14. Which of aminoacids mentioned below are essential?

1

Tyr

2

Ser

3

Ile

4

Cys

%

Question 15. Which of aminoacids mentioned below are glucogenic?

1

Arg,

2

Leu,

3

Trp,

4

Lys.

%

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

1

valine

2

piruvate

3

acetone

4

proline

%

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

1

alanine

2

glycine

3

arhynine

4

asparaginic acid

%

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

1

Ala,

2

Arg,

3

Asn,

4

Gln.

%

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

1

Val,

2

Thr,

3

Phe,

4

Pro.

%

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

1

aminopeptidase

2

aminotransferase

3

dipeptidase

4

hymotrypsine

%

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

1

aceto-acetate

2

piruvate

3

oxaloacetic acid

4

aceto-acetyl CoA

%

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

1

proteins

2

free aminoacids

3

urea

4

all mentioned above

%

Question 23. What substance is a precursor of urea in ornithin Krebs cycle?

1

arhynine

2

serine

3

ornithin

4

piruvate

%

Question 24. What is the end product of Nitrogen metabolism in fishes?

1

ammonia

2

glyoxylic acid

3

urea

4

all mentioned above

%

Question 25. What is the function of blood albumin?

1

Transport of different substances

2

Transport of O2 and CO2

3

Bonding of antigens

4

Plasmozyme transformation into thrombin

75 %

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

1

albumin

2

α-globulin

3

β-globulin

4

γ-globulin

100 %

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

1

7.20 - 7.60

2

7.36 - 7.50

3

7.85 - 7.95

4

6.00 - 6.80

100 %

Question 28. Which hormones are steroids?

1

Adrenalin

2

Glucocorticoids

3

Glucagon

4

Insulin

75 %

Question 29. Which hormone is produced in thyroid gland?

1

Oxitocin

2

Somatotropin

3

Thyrotropin-releasing hormone

4

Thyroxin

75 %

Question 30. Which protein prevails in milk?

1

Casein

2

Collagen

3

Hemoglobin

4

Ovo-albumine

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