What type of macromolecule is dna?
a. carbohydrate
b. lipid
c. nucleic acid
d. protein

Harold makes a venn diagram to him compare and contrast mitosis and meiosis. which label belongs in the region marked z? forms diploid cells creates an even number of cells includes two rounds of cell division duplicates body cells

Can someone me with this and tell me what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

How do living things obtain phosphorus