What is the main purpose of the cycle shown in Figure 8-3? A. sugar production
B. destruction of CO2
C. production of ADP
D. production of NADP

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

How do accessory pigments chlorophyll?

When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen