This is a preview. Log in through your library . Abstract Mitochondrial biogenesis in the parenchymal cell of the mouse mammary gland appears to occur in two distinct phases: replication during cell ...

A crude pea (Pisum sativum L. var. Homesteader) mitochondrial preparation was divided into two equal parts. One part was layered on a Dextran-40 step gradient, and the other on a sucrose step gradient ...