Living Systems & Chemistry in Living Things FINAL EXAM REVIEW

Front

Where does the process of digestion begin?

Back

Mouth

Front

What does cell differentiation mean?

Back

Process by which a less specialized cell becomes a more specialized cell.

Front

When food is broken down by enzymes or acid, __________ digestion is taking place.

Back

Chemical

Front

What is homeostasis?

Back

The maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation.

Front

The maintenance of an organism’s internal environment is called:

Back

Homeostasis

Front

What is the role of enzymes in digestion?

Back

Enzymes speed up the chemical reactions that break down food.

Front

What is the function of the stomach in the digestive system?

Back

The stomach breaks down food using acids and enzymes.

Front

What is the difference between mechanical and chemical digestion?

Back

Mechanical digestion involves physical breakdown of food, while chemical digestion involves breaking down food into simpler molecules.

Front

What is the significance of feedback regulation in homeostasis?

Back

Feedback regulation helps maintain balance in the internal environment by adjusting physiological processes.

Front

What are the main components of a cell?

Back

The main components of a cell include the cell membrane, cytoplasm, and nucleus.