 Furthermore, we give a theoretical expression for the time-dependent cell size distribution and  propose a sufficient condition for the scale invariance.
<meaning-changed>  Furthermore, we give a theoretical expression for the time-dependent cell size distribution and  propose a sufficient condition for the scale invariance.
 Furthermore, we give a theoretical expression for the time-dependent cell size distribution and intracellular replication. We also formulate the problem theoretically and propose a sufficient condition for the scale invariance.