Figure 1From: Mitochondrial 3 beta-hydroxysteroid dehydrogenase (HSD) is essential for the synthesis of progesterone by corpora lutea: An hypothesisProtein content, cytochrome c oxidase activity, and HSD activity in total homogenates, and in mitochondrial and microsomal fractions from ovaries of C31 mice that were in either proestrus or diestrus. Each experimental group consisted of 6 mice. Mitochondrial and microsomal fractions were isolated by differential centrifugation. Results are expressed per individual ovary.Back to article page