Which types of blood vessels can regenerate in humans/mammals? From what I understand, arteries and arterioles can be created later in life, while this is not necessarily the case with …

Dec 15, 2014 · I was discussing this with my brother. I'm pretty sure I read somewhere that they can move. Thanks EDIT: By movement I mean long distance migration (preferably within the …

Feb 5, 2012 · Is it possible for a virus to live symbiotically with its host? Is the human body plagued with viral infections that do negligible harm, or even serve a beneficial role?

Here are just a few points that might apply: Urine is used for scent marking by some species, so the ability to store urine could be useful. At the opposite side, controlling the release of a …

Sep 15, 2015 · Most promoter elements are not a part of the mRNA sequence. They are upstream (towards 5') of the transcription start site. However, a certain class of promoters …

Jun 5, 2017 · Any neuron that participates in sending impulses from receptors to the CNS are referred to as sensory neurons. But I often see bipolar neurons of the eye (which according to …

6 days ago · From what I can tell, the evidence from the academic literature regarding whether indoor plants significantly lower the concentration of indoor CO2 seems mixed. It seems that …

Jun 13, 2020 · The standard way to measure growth in a liquid culture is to measure the optical density (OD) of the solution – basically, how cloudy it is. Bacteria or yeast in a solution will …

Apr 16, 2012 · I'll add on to this answer. A Sanger sequence is really only good for (at best) 800-900 bp. After this time, there is simply too little DNA left to have a reliable signal that you can …

Many of the parts of a cell, which perform its basic functions, such as transcription, translation, DNA replication, etc. have been already isolated and successfully recreated in a test tube. So …