Above is a photo of PR Sugar broths. What does “PR” mean and… Post author By Anonymous Post date January 22, 2025 Related Posts:Labs require PHOTO(s) as proof - the photo…What texture does the metamorphic rock in the photo…TRUE or FALSE: Xylitol is a non-sugar sweetner or… ← All of the following are characteristics of phospholipids EX… → In our studies of bacterial metabolism, E. coli was able to…