Enzymes Flashcards

(31 cards)

1
Q

Biological Catalysts that speed up rate of the biochemical reaction.

A

Enzymes

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2
Q

Special RNA that acts as enzymes.

A

Ribozymes

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3
Q

Three Dimensional Enzymes.

A

Globular Proteins

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4
Q

Involved in redox reactions.

A

Oxidoreductases

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5
Q

Removal of hydrogen.

A

Dehydrogenase

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6
Q

Adds oxygen to hydrogen, forming water.

A

Oxidase

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7
Q

Region of enzyme that binds substrates, co factors and prosthetic groups and contains residue that helps to hold the substrate

A

Active Site

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8
Q

2 Types of Active Site

A

Binding Site and Catalytic Site

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9
Q

Non protein molecule which carries out chemical reactions that cannot be performed by standard 20 amino acids

A

Co-factor

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10
Q

These are inorganic molecules required for proper activity of enzymes

A

Inorganic Co-factors

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11
Q

These are the organic molecules required for proper activity of enzymes

A

Organic Co-factors

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11
Q

essential forregulating metabolism and circadian rhythm.

A

Nicotinamide adenine dinucleotideor NAD

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11
Q

Tightly bound organic co factor

A

Prosthetic Group

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12
Q

Loosely bound organic co factor

A

Coenzyme

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12
Q

24-hour internal clock in our brain that regulates cycles of alertness and sleepiness by responding to light changes in our environment.

A

Circadian rhythm

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13
Q

new medical treatment that can helpimprove brain function and decrease symptoms associated with certain mood disorders.

14
Q

An enzyme with it’s co factor removed is designated as

15
Q

The complete complex of a protein with all necessary small organic molecules, metal ions and other components is

A

holoenzyme of holoprotein

16
Q

Reactant in biochemical reaction

17
Q

When a substrate binds to an enzyme it forms

A

enzyme-substrate complex

18
Q

Enzymes that are synthesized by what that is used to attach the rough endoplasmic reticulum

19
Q

What carries information for the synthesis of enzyme

20
Q

Enzymes that are synthesized and retained in a cell for the use of cell itself

A

Intracellular

21
Q

Enzymes that are synthesized in the cell but secreted from the cell to work externally

A

Extracellular

22
Systematic classification of enzymes
International Enzyme Commission
23
Mostly undertaken by oxido-reductases enzyme
Acid Base Catalysis
24
Catalysis molecule must come in bond forming distance
Catalysis by Proximity
25
Mostly undertaken by lysaes
Catalysis by bond strain
26
Enzyme that is released unaltered after completion of reaction
Covalent Catalysis
27
All chemical reactions that has energy barriers between reactants and products
Thermodynamic Changes
28