Biological Molecules_1

What are the basic building blocks of living things?

• a) Cells

• b) Chemicals

• c) Proteins

• d) Elements

Which of the following elements is a primary component of organic molecules in living organisms?

• Carbon
• Nitrogen
• Oxygen
• Hydrogen

What is the most abundant element in the human body by mass?

• oxygen
• nitrogen
• carbon
• hydrogen

Which class of biomolecules serves as the main structural components in living organisms?

• nucleic acids
• proteins
• lipids
• carbohydrates

Which chemical is the universal energy currency in cells and plays a crucial role in energy transfer?

• ATP
• NADH
• GTP
• ADP

What is the term for the process by which green plants and some other organisms convert light energy into chemical energy in the form of glucose?

• photosynthesis
• fermentation
• transpiration
• respiration

Which of the following is not an organic macromolecule?

• Nucleic acids
• Carbohydrates
• Lipids
• Proteins
• Water

What is the chemical formula for water?

• H2O2
• CO2
• NaCl
• H2O

Which class of biomolecules includes enzymes, antibodies, and hemoglobin?

• nucleic acids
• lipids
• carbohydrates
• proteins

What is the chemical name for the sugar found in DNA?

• sucrose
• fructose
• deoxyribose
• glucose