Midterm

Front

What is the characteristic shown when a plant switches position and follows the sunlight throughout the day?

Back

Respond to a stimulus.

Front

What is the key role (function) of carbohydrates?

Back

Instant energy for cells and body functions.

Front

What defines a prokaryotic cell?

Back

Cells that don't contain a nucleus or any other membrane-bound organelles.

Front

What is the key role (function) of a protein?

Back

Growth, repair, energy, immune system functions, and enzymes.

Front

In order for something to be considered a living organism, it must display how many of the eight characteristics of living things?

Back

All.

Front

What are the eight characteristics of living things?

Back

1. Made of cells 2. Reproduce 3. Based on a universal genetic code 4. Grow and develop 5. Obtain and use energy 6. Respond to their environment 7. Maintain a stable internal environment 8. Change over time.

Front

What is the function of lipids in living organisms?

Back

Energy storage, insulation, and forming cell membranes.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

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

Front

What is the role of enzymes in biological processes?

Back

Enzymes act as catalysts to speed up chemical reactions in the body.

Front

What is homeostasis?

Back

The ability of an organism to maintain a stable internal environment despite changes in external conditions.