Biochemistry PreTest

What is biochemistry the study of?

• A. Rocks and minerals
• B. Human behavior
• C. Chemical processes in living organisms
• D. Weather systems
• Not sure

Answer explanation

Explanation for the answer (optional)

Which of the following is a macromolecule found in living organisms?

• A. Plastic
• B. Protein
• C. Salt
• D. Glass
• Not sure

Answer explanation

Jupiter is a gas giant made primarily of hydrogen and helium. Unlike terrestrial planets that have solid surfaces, gas giants like Jupiter don't have a well-defined solid surface, allowing them to accumulate more mass in a gaseous form. This composition has allowed Jupiter to grow significantly larger than planets with solid surfaces.

Which element is most essential to organic compounds?

• A. Iron
• B. Calcium
• C. Carbon
• D. Sodium
• Not sure

What are the building blocks of proteins?

• A. Fatty acids
• B. Amino acids
• C. Nucleotides
• D. Sugars
• Not sure

Which macromolecule stores genetic information?

• A. Carbohydrates
• B. Proteins
• C. Lipids
• D. Nucleic acids
• Not sure

Glucose is an example of a:

• A. Lipid
• B. Monosaccharide
• C. Protein
• D. Nucleotide
• Not sure

Enzymes are a type of:

• A. Carbohydrate
• B. Lipid
• C. Protein
• D. Vitamin
• Not sure

Which organelle is known as the “powerhouse” of the cell?

• A. Ribosome
• B. Mitochondrion
• C. Nucleus
• D. Lysosome
• Not sure

Which molecule is the main energy currency of the cell?

• A. DNA
• B. ATP
• C. RNA
• D. Glucose
• Not sure

Lipids are mainly used by the body for:

• A. Information storage
• B. Quick energy
• C. Long-term energy storage
• D. Making enzymes
• Not sure