Chemistry of Life

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

• Atom
• Element
• Ion
• Isotope

What are the four elements that all life is made up of?

• Hydrogen, Oxygen, Nitrogen and Carbon
• Helium, Oxygen, Neon and Carbon
• Hydrogen, Titanium, Carbon, Nitrogen
• Oxygen, Chlorine, Iron, Nitrogen

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

• Carbohydrates
• Lipids
• Nucleic Acids
• Proteins

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

These biomolecules are the main building blocks of you. They are large and complex and special ones do jobs all over your body as catalysts.

• Proteins
• Carbohydrates
• Lipids
• Nucleic Acids

How many Amino Acids does our body use to make proteins?

• 20
• 10
• 6
• 2

What are special types of proteins that act as catalysts?

• Enzymes
• Lipids
• Polysaccharides
• DNA

These biomolecules are fats, oils, waxes and steroids. They are also a result if we eat too many carbohydrates and why we don't melt in water.

• Carbohydrates
• Lipids
• Nucleic Acids
• Enzymes

Are enzymes substrate specific?

• YES!
• No...