Cellular Respiration Quiz

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Questions and Answers

What is the role of oxygen in cellular respiration?

To aid in the synthesis of DNA
To regulate the temperature within the cells
To provide structural support to the cells
To serve as an electron acceptor (correct)

Which organisms undergo cellular respiration?

Only humans and animals
Only single-celled organisms
Only plants and animals
Living organisms including humans, plants, and animals (correct)

What type of energy is produced as a result of cellular respiration?

Electrical energy for nerve impulses
Heat energy for maintaining body temperature
Chemical energy in the form of ATP (correct)
Mechanical energy for movement

What is the primary purpose of cellular respiration?

To produce adenosine triphosphate (ATP) for energy (A) Signup and view all the answers

What is the overall impact of cellular respiration on cellular activity?

It releases chemical energy to fuel cellular activity (C) Signup and view all the answers

What is cellular respiration?

Cellular respiration is the process by which biological fuels are oxidized in the presence of an inorganic electron acceptor, such as oxygen, to drive the bulk production of adenosine triphosphate (ATP) for energy. Signup and view all the answers

Why is cellular respiration important for living organisms?

Cellular respiration is important because it is how cells produce energy to power all the activities necessary for life. Signup and view all the answers

What type of reactions are involved in cellular respiration?

The reactions involved in cellular respiration are catabolic reactions, which break large molecules into smaller ones, producing large amounts of energy (ATP). Signup and view all the answers