Exam 2: Chemical Basis of Life

Atoms that gain or lose electrons become electrically charged and are called _____________.

Sucrose, lactose, and maltose are examples of what type of carbohydrate?

The building blocks of proteins are molecules called amino acids.

What type of chemicals function to resist changes in pH of a solution?

A/an _______________ reaction is illustrated as A + B → AB.

Starch and glycogen are examples of what type of carbohydrate?

In __________ reactions, parts of two different molecules trade positions.

What differs between the isotopes of a particular element?

Molecules called _____________ are formed when atoms of different elements bond together.

In an atom, the second electron shell contains a maximum of __________ electrons.

Ribose and deoxyribose are examples of what type of organic molecule?

Enzymes, receptors, and antibodies are examples of what type of organic compound?

A substance that dissociates and releases hydrogen ions into water is classified as a base.

Indicate the inorganic substance.

Cholesterol is a type of protein.

Indicate the substance that is NOT an element.

Chemical bonds between atoms involve the component of atoms called ___________.

The type of chemical bond formed when atoms share electrons is called a/an _______________ bond.

Examples of proteins include DNA and RNA.

The electrons of an atom occupy one or more areas of space, called __________, around the nucleus.