____________ are the most structurally diverse macromolecules in the cell.

The biological macromolecules that can be used as animal energy reserves include: A: choleserol B: nucleic acids C: glycogen D: fats E: proteins

某同学在进行外文全文数据库检索时，发现一篇相关文献可能发表在Macromolecules上，希望能查到并下载全文，他应该选择哪个数据库 A: Springer Link B: Royal Society of Chemistry C: Wiley Online Library D: American Chemical Society