Science. Which student is correct

What problem would a person most likely have if her kidney did not work correctly?

Ihave a question. diplontic animals usually produce both eggs or sperm which are :

You are given an electron micrograph of a bacterial cell. in the micrograph you can clearly see three thin layers of different densities surrounding the cell. based on the micrograph, you can infer that this cell is and would appear after application of the gram stain procedure. gram-negative / pink gram-positive / purple gram-positive / pink gram-negative / purple