M5 - Lesson 1: General Characteristic, Structure and Nomenclature of Enzymes

Question 1

Proteins that increase the rate of biological reactions within the cells of the body.

Answer 1

Enzyme

Question 2

Examples of Enzyme

Answer 2

Salivary amylase, Catalase, and Phenolase (water, cold temp and acidic environment)

Question 3

Lower the activation energy and increase the rate of reaction.

Answer 3

Biological Catalyst

Question 4

What is the largest and most highly specialized class of proteins, hence activity is lost if denatured?

Answer 4

Enzyme

Question 5

A compound which lowers the energy required for a reaction.

Answer 5

Catalyst

Question 6

Not consumed in the reaction, it can be used over and over again.

Answer 6

Catalyst

Question 7

Without the enzymes in our _________ tract, it would take us about __ years to digest a single meal.

Answer 7

digestive, 50

Question 8

Advantage and Disadvantage.

Answer 8

Economical; Fatal to eat again, no pleasure in eating.

Question 9

It’s the protein part of the enzyme molecule

Answer 9

Apoenzyme

Question 10

Are additional chemical groups that are required for enzyme activity. It consist of metal ions or complex organic molecules.

Answer 10

Activators

Question 11

3 Types of Cofactors

Answer 11

Cofactor, Coenzyme, and Prosthetis Group

Question 12

Inorganic substance that tend to increase the activity of an enzyme (Iron, Zinc). Also known as Metal Ion.

Answer 12

Cofactor

Question 13

It’s a complex organic molecule other than a protein (thiamine).

Answer 13

Coenzyme

Question 14

If the activator becomes a permanent part of the enzyme.

Answer 14

Prosthetic Group

Question 15

It’s the specific area of the enzyme to which the substrate attaches during the reaction. An enzyme molecule can have several of this.

Answer 15

Active Site

Question 16

It’s the chemical substance or substances on which the enzyme acts.

Answer 16

Substrate

Question 17

It’s a substance that will make an enzyme less active or render it inactive.

Answer 17

Inhibitor

Question 18

What are the 5 Important terms of Enzyme?

Answer 18

Apoenzyme
Activators
Active site
Substrate
Inhibitor

Question 19

It’s an active enzyme, which consists of an apoenzyme and one or more factors.

Answer 19

Holoenzyme

Question 20

It’s an enzyme in its inactive form.

Answer 20

Proenzyme/Zymogen

Question 21

What enzymes that are often synthesized in an inactive form, transported to the place where activity is desired, and then converted to their active forms?

Answer 21

Digestive Enzymes

Question 22

What are the enzymes that Inactive and Active Forms of Zymogen?

Answer 22

Pepsinogen (stomach)
Trypsinogen (pancreas)
Prothrombin

Question 23

What are the enzymes that Inactive and Active Forms of Holoenzyme?

Answer 23

Pepsin
Trypsin
Thrombin

Question 24

What are the six major classes and their several subcalsses (reactions that they catalyze) ?

Answer 24

Maltase - Maltose
Urease - Urea
Protease - Proteins
Carbohydrates - Carbohydrates
Lipases - Lipids
Hydrolases - Hydrolysis reactions

Question 25

Enzymes are now named by adding an ____ ending on the name of the substrate.

Answer 25

-ase

Question 26

What enzymes that acts on casein?

Answer 26

Rennin

Question 27

What enzymes that acts or hydrolyze protein?

Answer 27

Pepsin and Trypsin

Question 28

What enzyme that acts on carbohydrate?

Answer 28

Ptyalin