A thesaurus can help you discover synonyms and antonyms for words used frequently in your writing.

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons

What's the waste product of electrons and pyruvate combining in fermentation?  

We can be sure that a mole of table sugar and a mole of vitamin c are equal in their 1) mass in daltons. 2) mass in grams. 3) number of molecules. 4) number of atoms. 5) volume.