The nucleus is a place of great activity - DNA strands being wrapped and unwrapped around the histone complexes; RNA polymerases and transcription factors dutifully transcribing genes to make mRNA; mRNA diligently being processed and transported outside the nucleus, while all along enzymes constantly patrol the processes. The nucleus really is a jungle of busy, hustling biomolecules, and here I represent a minuscule of what really goes on in there. DNA strands in black, RNA strands in pink, histone complexes in black, RNA polymerase II and mRNA processing proteins in blue, nuclear membrane in purple.
What are stem cells, and what makes them so unique? What are the different types of stem cells, and how have they impacted modern medical science? Here is us answering all your questions about stem cells.
How does the skin seamlessly stretch and expand itself around a growing foetus as pregnancy progresses? The answer lies in the skin proteins - collagen and elastin.
With vaccines being a medical success for over a century now, could we now use the same principle in treating cancer? - The answer is yes.
Chronic pain causes life-long distress in millions of patients worldwide. An upcoming therapeutic strategy called the Scrambler Therapy may provide fresh hope.
