Biochemical Molecules Quiz

What are the two types of biochemical molecules found in the human body?

• Lipids and nucleic acids

• Acids and bases

• Organic and inorganic molecules

• Proteins and carbohydrates

Which of the following is an example of an inorganic molecule?

• Protein

• Carbon dioxide

• Fatty acid

• Glucose

What is the chemical formula for water?

• H2O

• H2O2

• CO2

• O2

Which property of water allows it to be an effective solvent for ions?

• High specific heat capacity

• High surface tension

• Low viscosity

• Polarity

What type of bond is formed between water molecules?

• Peptide bond

• Hydrogen bond

• Ionic bond

• Covalent bond

Which of the following ions is critical for maintaining pH balance in living systems?

• Sodium ions

• Chloride ions

• Calcium ions

• Hydrogen ions

What is the primary function of carbohydrates in living organisms?

• Transport of oxygen

• Structural support

• Hormone regulation

• Energy storage

Which type of fatty acid contains one or more double bonds?

• Saturated fatty acids

• Unsaturated fatty acids

• Trans fatty acids

• Polyunsaturated fatty acids

What is the basic building block of proteins?

• Nucleotides

• Monosaccharides

• Fatty acids

• Amino acids

Which type of protein is involved in muscle contraction?

• Transport proteins

• Motor proteins

• Structural proteins

• Enzymes