Тест 1

• Название: Тест 1
• Дата: 26.12.2018
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• Имя файла: Biochemistry mcq.en.uk.docx
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Питання №: 20

You need to degrade DNA. What enzyme will you use?

Proteinase

Oxidase

Nuclease

Lipase

Transferase

Питання №: 21

How many is P/O ratio when the NAD+-containing dehydrogenase catalyzes the oxidation of laсtate?

1

2

3

4

5

Питання №: 22

A child has Essential fructosuria. Total concentration of sugar in blood is higher than norm but glucose level is not considerably changed. Deficiencies of what enzyme cause this condition?

Galactose-1-phosphate uridyltransferase

Hexokinase

Amylo-l,6-glucosidase

Phosphoglucomutase

Fructokinase

Питання №: 23

The deficiency of vitamin B2(riboflavin) leads to the decreasing of activity of the enzyme:

Citrate synthase

Aconitase

Isocitrate dehydrogenase

Fumarase

Succinate dehydrogenase

Питання №: 24

Krebs cycle plays an essential role in the realization of gluconeogenic effect of certain amino acids. It is caused by the obligatory transformation of their anazotic carbon skeletons into:

Malate

Oxaloacetate

Succinate

Fumarate

Citrate

Питання №: 25

Choose the terminal products of aerobic glucose oxidation:

Lactate

CO2 and H2О

Acetyl-SCoA

Pyruvate

Citric acid

Питання №: 26

Point out the value of pH, which is optimal for the activity of pepsin:

6,8 - 7,2

3,5 - 4,8

7,2 - 8,5

1,5 - 2,5

8,5 - 10,0

Питання №: 27

Coenzyme PALP is the derivative of vitamin:

B1

B2

B3

B6

H