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A vibrant illustration depicting various enzymes, biochemical reactions, and molecular structures, with a scientific theme that enhances the educational context of biochemistry.

Enzyme and Biochemistry Quiz

Test your knowledge on enzymes, their functions, and the biochemical processes they are involved in! This quiz consists of 9 carefully crafted multiple-choice questions designed to challenge your understanding of enzymology and related topics.

Topics covered include:

Enzyme structure and function
Diagnostic value of enzymes in various organs
Impact of pH on enzyme activity
Nucleophilic properties in enzyme active sites

9 Questions2 MinutesCreated by AnalyzingAtom42

200. Which of the following enzymes is not a protein?

Urease

Ribozyme

peroxidase

catalase

201. For which organ does the LDH1 have a diagnostic value?

Pancreas

Liver

heart muscle

Skeletal muscle

202. Which part of enzyme molecule is affected by pH environment?

Degree of ionization of functional groups

Molecular structure of substrate

Primary structure of enzyme

Number of amino acids in allosteric site

203. Choose the number of iron ions and methyl groups, respectively, contained in the structure of heme:

2, 4

2, 1

1, 2

1, 4

204. Which enzyme activity in human body decreases with copper deficiency?

Cytochrome b

glutathione peroxidase

Catalase

Glucose oxidase

Cytochrome oxidase

205. Which of the following is a nucleotide?

Adenosine

Xantine

Thymidine

AMP

206. Which group in the active site of enzyme has nucleophilic properties?

benzene group of phenylalanine

thioester group of methionine

Hydroxyl group of serine

) indole radical of tryptophan

amino group of lysine

207. Which group in the active site of enzyme has nucleophilic properties?

Which group in the active site of enzyme has nucleophilic properties?

Thioester group of methionine

Hydroxyl group of serine

Indole radical of tryptophan

208. Which group in the active site of enzyme has nucleophilic properties?

Thiol group of cysteine

Amino group of lysine

Carboxyl group of aspartic acid

indole group of tryptophan

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