Life Science Review A

Front

What type of cell has a cell wall?

Back

Plant cell.

Front

Why do organisms need water to live?

Back

It allows chemical reactions to take place.

Front

Which of the following is not an organic compound: ores, proteins, carbohydrates, lipids?

Back

Ores.

Front

What is the process by which plants use sunlight to convert carbon dioxide and water into sugars and oxygen?

Back

Photosynthesis.

Front

What does active transport across a cell membrane require?

Back

Energy.

Front

What is the primary function of a cell wall?

Back

To provide structure and protection to the cell.

Front

What are the main components of organic compounds?

Back

Carbon, hydrogen, and oxygen.

Front

What is the role of enzymes in chemical reactions?

Back

To speed up the reactions by lowering the activation energy.

Front

What is the difference between passive and active transport?

Back

Passive transport does not require energy, while active transport does.

Front

What is the significance of photosynthesis in the ecosystem?

Back

It produces oxygen and organic compounds that are essential for life.