COS 110- FINAL EXAM REVIEW

All matter that isn't alive, has never been alive and does not contain carbon, such as rocks, falls within the study of:

• Physics

• Anatomy

• Organic Chemistry

• Inorganic Chemistry

Atoms that are different form a(n):

• Mixture

• Emulsion

• Compound

• Element

Atoms that are the same form an element

• TRUE

• FALSE

Basic substances that cannot be broken down into simpler substances are called:

• Solids

• Elements

• Molecules

• Compound

Electrons have which type of electrical charge?

• None

• Neutral

• Negative

• Positive

Matter with definite weight but indefinite volume and shape is called:

• a gas

• a liquid

• a solid

• a banana

Putting a sodium hydroxide relaxer under a hair dryer:

• will link together all protein groups

• could turn into van der Waals forces

• will increase the hair's amino acid content

• could break the critical peptide bonds and destroy the protein structure

What is created when amino acids join together in chains?

• Proteins

• Elements

• Chemicals

• Compounds

The side bond that is of the greatest concern to the salon professional is the hydrogen bond?

• TRUE

• FALSE

Which of the following statements describes how human hair is formed?

• salt bonds connect to amino acids

• hydrogen bonds create a chemical change

• amino acids cause a simple physical change

• bonding of protein chains to other protein chains