Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. Our first question was about the concept of molecular ...

Students learn how to predict the shape of a molecule based on the electron dot diagram. Covalent Bonds: Students learn how to predict the shape of a molecule based on the electron dot diagram and to ...

Planar cell polarity (PCP) is a polarity axis that organizes cells in the plane of the tissue. PCP is conserved in metazoans and is essential for proper development and tissue homeostasis. Asymmetric ...

This is a preview. Log in through your library . Abstract Achieving proper polarity is essential for cellular function. In bacteria, cell polarity has been observed by using both morphological and ...