I think your answer is B, sorry if I’m wrong
Non-fluorescent calcein AM is hydrolyzed by intracellular esterases into the green fluorescent dye calcein, which can be used to quantify the number of viable cells.
https://www.creative-bioarray.com/support/calcein-am-cell-viability-assay.htm
Had to look for the options and here is my answer. Based on the given description above, the one that can be considered true regarding the scientists' observations and your knowledge about animal behavior is that in Egyptian vultures, eating ostrich eggs is a learned behavior and t<span>he shape of the rock that the vultures choose is modified by their experience. Hope this helps.</span>
Answer:
causes them to be different types. When sediment is compacted and cemented together, it forms sedimentary rock. When magma cools, it hardens to form igneous rock. ... They model the formation of sedimentary rocks using hard candy, and view a video showing igneous rock formation as magma cools.
