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Figure 2   Polarization of membrane components in 8-cell mouse blastomeres. (A) Homogeneous, nonpolar distribution of membrane components labeled with fluorescent concanavalin A at the 4-cell stage. (B) Heterogeneous, polar distribution of these components at the 8-cell stage. (A from Fleming et al., 1986; B from Levy et al., 1986. Photographs courtesy of the authors.)
Figure 2
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