Proteins and Skincare and Fragrance Flashcards

1
Q

What is an enzyme

A

It is a protein which is able to catalyze a biochemical reaction

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2
Q

What is an essential amino acid

A

This is an amino acid that must be acquired/obtained from the diets

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3
Q

What is the name of the reaction that takes place when amino acids join to form proteins

A

Condensation reaction

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4
Q

What happens to protein during cooking

A

Enzymes become denatured

Hydrogen/intermolecular bonds are broken

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5
Q

What could cause an enzyme to denature

A

Increase in temperature or change in PH

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6
Q

What is the term used to describe what happens when a protein changes shape

A

The protein denatures

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7
Q

What are the building blocks of proteins

A

Amino acid

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8
Q

State what is meant by the term FREE RADICAL

A

They are species with unpaired electrons

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9
Q

What are FREE RADICALS SCAVENGERS

A

They are chemicals (usually vitamins, minerals or enzymes) that react with and destroys free radicals

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10
Q

What are the stages in a free radical equation

A

Initiation
Propagation
Termination

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11
Q

What is the common name for isoprene

A

2-methylbut-1,3-diene (c5H8)

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12
Q

What type of molecules can be formed by joining two isoprene units together

A

Terpenes

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13
Q

How do isoprene units join together

A

Addition Reaction

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14
Q

What are essential oils

A

Essential oils are aroma compounds extracted from plants.

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15
Q

What is the functional group of amino acids

A

Amide group and carboxyl group

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16
Q

Amine group

A

–NH2