Biology Midterm Review

Front

What is a prokaryotic cell?

Back

A prokaryotic cell is a type of cell that does not have a nucleus or other membrane-bound organelles. An example of a prokaryotic cell is bacteria.

Front

What are substrates in biological reactions?

Back

Substrates are the reactants that enzymes act upon in biochemical reactions. They bind to the enzyme's active site to form products.

Front

What is an example of a living organism?

Back

Bacteria is an example of a living organism, which is a single-celled prokaryote.

Front

What is the function of the cell membrane?

Back

The cell membrane regulates what enters and leaves the cell, maintaining homeostasis.

Front

Which organelle is responsible for energy production?

Back

The mitochondria are responsible for breaking down sugar to release energy in the form of ATP.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

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

Front

What is the role of enzymes in biological processes?

Back

Enzymes are catalysts that speed up chemical reactions in the body without being consumed in the process.

Front

What is homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite external changes.

Front

What is the function of chloroplasts?

Back

Chloroplasts are organelles found in plant cells that conduct photosynthesis, converting light energy into chemical energy.

Front

What is the structure of the cell membrane?

Back

The cell membrane is composed of a phospholipid bilayer with embedded proteins, cholesterol, and carbohydrates.