„Certified by”
Deputy of the chair___________ N. Melnicova
„19” November, the year 2007.
BLOCK OF TESTS Variant №4
Question 1. What does it mean absorption?
1 Sorption of substance by whole body of sorbent
2 Sorption of steams by solids
3 Chemical reaction between adsorptive and adsorbent
4 Sorption of liquids
Question 2. Which amino-acids are essential?
1 Arhynine
2 Proline
3 Cystine
4 Metionin
Question 3. What does it mean entropy?
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 Measure of dispersion of energy
Question 4. Which vitamin is water -soluble?
1 Thiamine
2 Calciferol
3 Retinol
4 Filohinon
Question 5. Which elements are microelements?
-
Ca
-
Mg
-
Mn
-
Na
Question 6. Which substance is coferment of oxydoreductases?
1 Folic asid
2 Piridoxynic asid
3 NAD+
4 Pantotenic asid
Question 7. How many ATP-molecules are synthesized during anaerobic splitting of 1 molecule of glucose?
1 – 1;
2 – 2;
3 – 4;
4 – 6.
Question 8. Fermentation is the process of:
1 Cellular respiration
2 Aerobic splitting of organic substances with end products H2O and CO2
3 Anaerobic splitting of organic substances accompanied by ATP synthesis
4 Oxidative phosphorylation
Question 9. Which enzyme promote including glycerol into glycolysis:
1 Glycerol – 3 phosphate dehydrogenase
2 Phosphoglycerate – kinase
3 Phosphoglycerate-mutase
4 Glyceraldehyde-phospate-dehydrogenase
Question 10. What enzymes regulate the speed of Krebs’ cycle
1 Piruvate-dehydrogenase and isocitrate- dehydrogenase
2 Lactate-dehydrogenase and malate-dehydrogenase
3 Succinate – dehydrogenase and aconitase
4 Hexokinase and Enolase
Question 11. How many ATP molecules are synthesized in respiratory chain during transmission of 1 pair of electrons from FADH2 on O2?
1 – 2;
2 – 3;
3 – 4;
4 – 6.
Question 12. Which substance belongs to tricarboxylic oxyacids?
1 Isocitric acid
2 Isoleucine
3 Isomerase
4 Isotope
Question 13. Where reactions of pentose cycle take place?
1 In lysosomes
2 In mitochondrias
3 In ribosomes
4 In cytoplasm
Question 14. Which of aminoacids mentioned below are cyclic?
1 – Arg,
2 – Met,
3 – Phe,
4 – Ser.
Question 15. Which of aminoacids mentioned below are sulphur-containing?
1 – Leu,
2 – Val,
3 – Met,
4 – Lys.
Question 16. Which substance is a precursor for biosynthesis of cysteine?
-
serine
-
glutaminic acid
-
leucine
-
lysine
Question 17. Which substance is a precursor for biosynthesis of proline?
-
alanine
-
glycine
-
tyrosine
-
glutaminic acid
Question 18. Which of aminoacids mentioned below during oxidative splitting turn into α-ketoglutaric acid?
1 – Val,
2 – Thr,
3 – Phe,
4 – Pro.
Question 19. Which of aminoacids mentioned below during oxidative splitting turn into acetyl CoA?
-
Ala and Asn
-
Arg and Lys
-
Leu and His
-
Trp and Thr
Question 20. Which enzyme catalyze protein hydrolysis in bowels?
-
decarboxylase
-
dehydrogenase
-
pepsine
-
trypsine
Question 21. Which method may be used for determination of aminoacids?
-
lyofilization
-
distillation
-
homogenization
-
chromatography
Question 22. What substance is a precursor of urea in ornithin Krebs cycle?
-
alanine
-
arhynine
-
citrulline
-
glutaminic acid
Question 23. What is the main end product of Nitrogen metabolism in ruminants?
-
alantoine and urea
-
ammonia
-
glyoxylic acid
-
uric acid
Question 24. Which nitrogenous base belongs to purines?
-
A
-
C
-
T
-
U
Question 25. What is the function of blood thromboplastin?
-
Transport of different substances
-
Transport of O2 and CO2
-
Bonding of antigens
-
Plasmozyme transformation into thrombin
Question 26. Which buffer system prevails in blood?
-
Bicarbonated
-
Phosphated
-
albuminous
-
hemoglobinous
Question 27. What are physiological borders of pH in blood of fetus of mammals?
-
7.20-7.60
-
7.36-7.50
-
7.85-7.95
-
6.00-6.80
Question 28. Which hormones are peptides?
-
Adrenalin
-
Estrogenes
-
Glucocorticoids
-
Oxitocin
Question 29. Which hormone is produced in parathyroid gland?
-
Oxitocin
-
Parathyroid hormone
-
Thyrocalcitonin
-
Thymosine
Question 30. Which protein prevails in erythrocytes?
-
Collagen
-
Hemoglobin
-
Ovo-albumine
-
Ovo-vitelline
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.