Try out PMC Labs and tell us what you think. Learn More. Do you know the sex of your cells? Not a question that is frequently heard around the lab bench, yet thanks to recent research is probably one that should be asked. It is self-evident that cervical epithelial cells would be derived from female tissue and prostate cells from a male subject exemplified by HeLa and LnCaP, respectively , yet beyond these obvious examples, it would be true to say that the sex of cell lines derived from non-reproductive tissue, such as lung, intestine, kidney, for example, is given minimal if any thought.
The landscape of relationships in America has shifted dramatically in recent decades. From cohabitation to same-sex marriage to interracial and interethnic marriage, here are eight facts about love and marriage in the United States. One factor driving this change is that Americans are staying single longer. The median age at first marriage had reached its highest point on record: 30 years for men and 28 years for women in , according to the U. Census Bureau. As the U. In , for every 1, married adults ages 50 and older, 10 had divorced — up from five in
If the address matches an existing account you will receive an email with instructions to reset your password. If the address matches an existing account you will receive an email with instructions to retrieve your username. Address correspondence to: Tyler N.
Wir bieten Streaming Porno-Videos, DVDs zum Download, Fotoalben und die Nummer 1 kostenlose Sex Community Seite im Netz. Arbeite mit uns zusammen. Content-Partner Werben Webmaster Model Programm Presse. Support und Hilfe FAQ Kundendienst kontaktieren Feedback Forum Sitemap.