Here are the answers to your questions:
Question 1: A) Which of the following is a reactant of cellular respiration?
- Answer: oxygen.
Question 2: A) What is the definition of cellular respiration?
- Answer: the process of using the chemical energy from food and oxygen molecules to power life processes.
Question 3: A) Which molecule carries energy inside cells?
- Answer: ATP.
Question 4: A) Which statement is true?
- Answer: Cellular respiration takes place in the cytoplasm and mitochondria.
Question 5: A) Which statement correctly classifies ATP, cytoplasm, and mitochondria?
- Answer: ATP is found in mitochondria, and mitochondria are found in the cytoplasm.