reaction types

BrotherlyWolf avatar
BrotherlyWolf
·
·
Download

Start Quiz

Study Flashcards

30 Questions

Which enzyme classification catalyzes redox reactions?

EC 1) Oxidoreductases

What is the definition of a redox reaction?

A reaction that involves the transfer of electrons

What is the role of FAD/FADH2 in the citric acid cycle?

FAD is reduced to make FADH2

What is the role of NAD+/NADH in the citric acid cycle?

NAD+ is reduced to make NADH

Which enzyme class is responsible for synthesizing molecules by catalyzing the transfer of a group from one molecule to another?

EC 2) Transferases

What mechanism is often used by transferases in their catalytic activity?

Nucleophilic substitution

What types of oxidoreductases remove H's and donate them to a molecule other than oxygen?

Dehydrogenases

Which of the following correctly identifies the nucleophile, electrophile, and leaving group in the formation of a disaccharide?

Nucleophile: Electrophile: Leaving group:

What makes an electrophile 'electron deficient'?

Lack of electrons

In DNA formation, what is the nucleophile, electrophile, and leaving group?

Nucleophile: Electrophile: Leaving group:

What is the nucleophile and electrophile in the formation of triglycerides?

Electrophile: Nucleophile:

What atom acts as the nucleophile in peptide bond formation?

Nitrogen

What is the leaving group in a reaction where nitrogen acts as the nucleophile?

Oxygen

What is the biomolecule UDP used as in transfer reactions?

Nucleotide

Which type of enzyme is responsible for hydrolyzing ATP to release a phosphate group?

Hydrolase

What molecule is acting as a nucleophile in the hydrolysis reactions catalyzed by hydrolases?

Water

What type of reaction is depicted in the hydrolysis of di-acyl-glycerol?

Elimination

What is the enzyme class responsible for catalyzing the hydrolysis of glycosidic linkages?

Hydrolase

What type of lyase enzyme is responsible for the addition of water to a molecule?

Hydratase

What is removed in the elimination reaction catalyzed by dehydratases?

Water

What type of isomerase catalyzes the interconversion of groups around an asymmetric carbon in a molecule with more than one asymmetric carbon?

Mutase

Which enzyme class catalyzes reactions that join 2 molecules with the use of ATP for energy?

Ligases

What is the name of the enzyme that catalyzes the isomerization of citrate to isocitrate in the citric acid cycle?

Aconitate hydratase

Which enzyme class catalyzes reactions involving the addition of water to a substrate?

Hydratases

What is the first step in the synthesis of glutathione, an important antioxidant in our bodies?

Joining of glutamate and cysteine

Which enzyme class catalyzes reactions involving the removal of a carboxyl group from a substrate?

Decarboxylases

What is the name of the enzyme class that catalyzes hydrolysis reactions?

Hydrolases

Which enzyme class catalyzes reactions involving the transfer of a functional group from one molecule to another?

Transferases

What is the name of the enzyme class that catalyzes redox reactions?

Oxidoreductases

Which enzyme class catalyzes reactions involving the elimination of water from a substrate?

Dehydratases

Test your knowledge of hydrolases and their role in breaking apart molecules. Identify the molecule acting as a nucleophile in each reaction.

Make Your Own Quizzes and Flashcards

Convert your notes into interactive study material.

Get started for free

More Quizzes Like This

Reaction Types
30 questions

Reaction Types

BeauteousHeliotrope8922 avatar
BeauteousHeliotrope8922
Contrast Reaction Types and Causes Quiz
10 questions
Chemical Reaction Types Quiz
12 questions
Use Quizgecko on...
Browser
Browser