Phosphorus plays an important role within the structures of the body. Which of the following structures is phosphorus found in? a.
bones
b.
cell membranes
c.
DNA
d.
all of the above

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.