Chapter 4 Review Assignment

What is the study of how life harnesses and uses energy at the cellular level called?

• Bioenergetics
• Photosynthesis
• Cellular Respiration
• Metabolism

Which of the following is NOT explored in Chapter 4?

• The origin and forms of cellular energy

• The biochemical processes that extract, store, and use energy

• The structure of DNA

• The efficiency of energy use in cells

Identify TWO biochemical processes mentioned in the overview that are involved in extracting, storing, and using energy in cells.

• Photosynthesis

• Cellular respiration

• Fermentation

• Osmosis

Even at rest, cells are actively using energy to maintain internal balance and perform necessary functions.

• True

• False

What is the sum of all chemical reactions that take place inside cells called?

• Catabolism

• Anabolism

• Metabolism

• Photosynthesis

Some chemical reactions in cells are spontaneous and release energy, while others require an input of energy.

• True

• False

What is the primary source of energy for most life forms on Earth?

• Heat

• Light energy from the sun

• Producers

• Decomposers

Fill in the blank: The sum of all chemical reactions that take place inside cells is referred to as the cell's ________.

According to the diagram, which group is responsible for breaking down dead plant and animal material and contributing to the nutrient pool?

• Producers

• Consumers

• Decomposers

• Herbivores

What is energy?

• The study of energy transformations

• The capacity to perform work or cause change, existing in various forms such as light, heat, and chemical energy

• The process of photosynthesis

• The increase of disorder in a system