Biochemistry

What is the smallest unit of matter that cannot be broken down by chemical means?

• atom

• ion

• element

• isotope

Nucleic Acids are made up of monomers called...

• Lipids

• Subunits

• Nucleotides

• Monossachrides

This macro-molecule is used to make energy for our cells. The simplest is glucose, a monosaccharide.

• Proteins

• Carbohydrates

• Nucleic Acids

• DNA

Amino acids are the building block for which macromolecule?

• carbohydrate

• nucleic acid

• protein

• lipid

Which of the following macro-molecules contains genetic information?

• Fatty Acids

• Carbohydrates (Starch)

• Proteins

• Nucleic Acids (DNA)

When molecules, like those in water, are attracted to each other (themselves) it is called.....

• adhesion

• cohesion

Polymers are long-chained units made up of:

• lipids

• oxygen

• proteins

• monomers

The positive particles of an atom are

• nuetrons

• protons

• electrons

The particles that are found in the nucleus of an atom are

• protons and electrons

• neutrons and electrons

• protons and neutrons

• electrons only

The space surrounding the nucleus of an atom contains which of the atomic particles

• protons

• nuetrons

• electrons