The answer is B. guidelines for safe laboratory practices
An aldehyde is an organic compound containing a group with the structure −CHO, consisting of a carbonyl<span> center </span><span>with the carbon atom also bonded to </span>hydrogen<span> and to an R group</span>
The word phase means to change a part of a development
Bacterial cells died because they plasmolyzed. when higher amount of glucose was added in the medium, the medium became hypertonic in comparison to plasma of the bacterial cells. As a result, water moves from the cells to medium by osmosis making the cells to shrink and lose their normal functioning which cause their death.
