8. Respiration

Which of the following statements about cellular respiration is correct?

Which metabolic process involves breaking down complex molecules into smaller parts?

Does cellular respiration result in a net input of energy or a net output of energy?

In the context of cellular respiration, the maximum rate at which an individual can uptake and utilize oxygen during intense exercise is known as the __________.

Which of the following activities is most likely to cause a decrease in oxygen levels within muscle cells?

What is the primary purpose of cellular respiration?

What is the balanced chemical equation for cellular respiration?

In the context of cellular respiration, which term refers to the amount of energy left after cellular respiration has occurred?

During cellular respiration, chemical energy stored in glucose is transformed into which type of energy in a person's muscles?

During aerobic respiration, molecular oxygen ($\mathrm{O_2}$) is used for which of the following purposes?

How did the earliest organisms on Earth most likely produce ATP?

What is the general equation for cellular respiration?

The primary function of cellular respiration is to provide a source of energy for all cell metabolism. Which molecule is the main energy currency produced during this process?

Which process makes the most efficient use of the energy in glucose during cellular respiration?

Red blood cells do not contain mitochondria. How do red blood cells generate most of their ATP?