Put these steps of the citric acid cycle into the correct sequence. 1. The breakdown of one glucose molecule produces two acetyl
CoA molecules. 2. Acetyl CoA combines with oxaloacetate to form citrate and releases coenzyme A. 3. Two carbon atoms are released from acetyl CoA and combine with oxygen to form carbon dioxide.
Made mostly of collagen, bone is living, growing tissue. Collagen is a protein that provides a soft framework, and calcium phosphate is a mineral that adds strength and hardens the framework. This combination of collagen and calcium makes bone strong and flexible enough to withstand stress.