Comprehensive Biology Test: Missouri Standard LS1.A.1

Which structure is responsible for controlling the activities of the cell?

• Cell membrane

• Nucleus

• Ribosome

• Cytoplasm

What is the primary function of ribosomes in a cell?

• Energy production

• Protein synthesis

• DNA replication

• Cell division

Describe the role of mitochondria in cellular function.

• Photosynthesis

• Energy production

• Protein modification

• Waste removal

What is the basic unit of life?

• Organ

• Cell

• Tissue

• Organism

Which of the following is NOT a component of the cell theory?

• All living things are made of cells

• Cells are the basic unit of life

• All cells arise from pre-existing cells

• All cells contain chloroplasts

What process do plants use to convert sunlight into chemical energy?

• Respiration

• Photosynthesis

• Fermentation

• Digestion

Which organelle is known as the "powerhouse of the cell"?

• Nucleus

• Golgi apparatus

• Mitochondria

• Endoplasmic reticulum

What is the function of the cell membrane?

• Energy production

• Transport of substances

• DNA storage

• Protein synthesis

Which macromolecule serves as the main energy source for living organisms?

• Proteins

• Lipids

• Carbohydrates

• Nucleic acids

What is the role of enzymes in biological reactions?

• Increase reaction temperature

• Decrease activation energy

• Change the reaction products

• None of the above