Chemistry of Life

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

• Atom

• Element

• Ion

• Isotope

Examples of these biomolecules are DNA and RNA...

• Nucleic Acids

• Carbohydrates

• Lipids

• Proteins

Nucleic Acids are made up of smaller subunits called....

• Nucleotides

• Lipids

• Monosaccharides

• Subunits

What are special types of proteins that act as catalysts?

• Enzymes

• Lipids

• Polysaccharides

• DNA

Where an enzyme joins with a substrate is called its...

• Active Site

• Mouth

• Substrate

• pH

What 3 subatomic particles make up atoms?

• Isotopes, protons, covalent bonds

• quarks, quirks, compounds

• protons, neutrons, isotopes

• protons, neutrons, electrons

A chemical ________ is a pure substance made entirely of 1 type of atom.

• element

• compound

• mixture

• blend

The nucleus of an atom usually contains:

• protons and neutrons

• electrons

• electrons and protons

• isotopes

A slight attraction between oppositely charged regions of nearby molecules are called:

• Van Der Waals forces

• ionic bonds

• covalent bonds

• hydrogen bonds

_{A negatively charged particle moving around the nucleus of an atom}

• neutron

• proton

• electron 

• ion