The intestine is among the most regenerative tissues in the body; however, aging triggers various changes that collectively ...

Stem cells are characterized by their unique ability of self-renewal to maintain the so-called stem cell pool. Over the past decades, reactive oxygen species (ROS) have been recognized as toxic ...

Try these interactive flashcards based on GCSE biology past papers. By working your way through the flashcards created by experts, you can prepare for your biology exams and make your revision more ...