Grade 9 Biology Midterm Review

Front

Which organelle is responsible for producing energy in the form of ATP?

Back

Mitochondria

Front

What is the main function of the ribosomes in a cell?

Back

Protein synthesis

Front

Which of the following is LEAST likely to dissolve in water?

Back

Nonpolar fats and oils

Front

What are the four main types of biomacromolecules?

Back

Carbohydrates, lipids, proteins, and nucleic acids

Front

What is the correct order of organization in living things from most basic (simple) to most complex?

Back

Cell, tissue, organ, organ system, organism

Front

What is the function of the cell membrane?

Back

To protect the cell and control what enters and leaves.

Front

What is the role of DNA in cells?

Back

To store and transmit genetic information.

Front

What are enzymes and why are they important?

Back

Enzymes are proteins that speed up chemical reactions in the body.

Front

What is osmosis?

Back

The movement of water across a semipermeable membrane from an area of low solute concentration to high solute concentration.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have them.