Enzymes Flashcards

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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.

A

NAD+ therapy

14
Q

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

A

apoenzyme

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

A

Substrate

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

A

ribosomes

19
Q

What carries information for the synthesis of enzyme

A

DNA

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
Q

Systematic classification of enzymes

A

International Enzyme Commission

23
Q

Mostly undertaken by oxido-reductases enzyme

A

Acid Base Catalysis

24
Q

Catalysis molecule must come in bond forming distance

A

Catalysis by Proximity

25
Q

Mostly undertaken by lysaes

A

Catalysis by bond strain

26
Q

Enzyme that is released unaltered after completion of reaction

A

Covalent Catalysis

27
Q

All chemical reactions that has energy barriers between reactants and products

A

Thermodynamic Changes

28
Q
A