International Review of Cytology: Volume 100, Volumen100

Acad Academic Press Acetabularia activity algae anionic anionic groups anucleate fragments anucleate halves arrest assemblage Beams bilayer Biochem Biophys biopterin Brachet cationic Cell Biol cell biology cell cycle cell division Cell Res cell surface centrifugal centrioles centrosome centrosome cycle chloroplasts chromatin cleavage colloid condensation Corliss Cytol cytoplasm Danielli DNA replication electron embryos enzyme eukaryotic factors Fe-Cac ferric hydroxide colloid fertilized fibers G1 period gastrulation genes growth Gurdon half spindle histone injected interphase ionized kinetochores Kirschner lipid macromolecules macrophages mammalian Masui Mazia metaphase micrographs microscope mitochondrial mitosis mitotic molecular molecules mRNAs muscle myelin Natl Nature London normal nuclear nucleus oocytes organisms particles Physiol polar poles Proc protein synthesis protists protozoa Robertson Schweiger sea urchin sea urchin eggs sections Seno showed specific stage staining stress proteins structure studies synaptic tion tissues ultracentrifuged unfertilized unit membrane vesicles Xenopus York Zool