The Chemistry of Life

_{What particle is found in the nucleus of an atom and has no charge?}

• electron
• neutron
• proton
• atom

The 4 macromolecules are

• vitamins, lipids, water, micronutrients
• micronutrients, macronutrients, water, vitamins
• Lipids, Waxes, Vitamin A, Water
• Carbohydrates, Lipids, Proteins, Nucleic Acids

How many atoms of carbon (C) are in C₆H₁₂O₆?

• 3
• 6
• 12
• 24

The attraction that causes water molecules to form droplets is called ________________. This is also water’s ability to be attraction to other water molecules.

• adhesion
• capillary action
• cohesion
• surface tension

Which biomolecule has sugars and starches?

• Lipids
• Proteins
• Carbohydrates
• Nucleic Acid

Which biomolecule is hydrophobic?

• Protein
• Lipids
• Carbohydrate
• Nucleic Acid

Which biomolecule includes, antibodies, enzymes and contractile fibers found in muscle tissue?

• Nucleic Acid
• Lipids
• Carbohydrate
• Protein

What element may be found in a monomer for a protein, but never in a monomer of a carbohydrate or a nucleic acid?

• Carbon

• Nitrogen

• Sulfur

• Phosphorus

The WAXY, organic substances used by aquatic birds to coat their feathers, when analyzed consists mostly of 

• lipids
• proteins
• carbohydrates
• salts

Any compound that donates H+ ions to an aqueous solution and measures less than 7 on the pH scale:

• Acid

• Base

• Solvent

• Solute