deletions | additions       diff --git a/untitled.tex b/untitled.tex  index e443730..8c47fed 100644  --- a/untitled.tex  +++ b/untitled.tex 
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$\quad b_c (t) \equiv $ fraction of cytosolic bacteria $ = \frac{B_c}{B_{\rm tot}} $  $\tilde{r} (t) \equiv $ ruffles per host cell $ = \frac{R}{H_r}$ \frac{R}{H_r} = \frac{R}{h_r H_{\rm tot}}$  $\tilde{b}_a \equiv $ bacteria attached per host cell $ = \frac{B_a}{H_a} = m \frac{b_a}{h_a}$