The graph below shows the endocytic activity of macrophages…

The graph below shows the endocytic activity of macrophages in the presence of Latrunculin A, a toxin that binds actin monomers and prevents the polymerization of actin filaments.  Based on this graph, briefly explain the effect of Latrunculin A on the activity of macrophages as time progresses.      

A researcher performed an ELISA test and observed that one o…

A researcher performed an ELISA test and observed that one of the samples was much darker than the others. The researcher concluded that this result was incorrect, and it was due to high background noise. Which of these is NOT a possible explanation for the background noise? .