Nexus, you must understand the process of a single cell into a multicellular organism took billions of years. Some organisms had receptors and some did not. The organisms with a new receptor might possesses some sort of environmental niche. For example, many animals, especially mammals, can...
There are a 100 billion or so galaxies up there? No one could possibly even imagine what type of other life forms could exist beyond our planet. Who's to say it has to be carbon based? That is all we know. A far as we know, other life might not even contain anything close to a base pair type...
Cellular respiration is used for developing ATP, which is the energy your body uses. Sweat glands are responsible for the perspiration, now what mechanism is behind this I do not know off the top of my head. People loose weight in saunas because they are loosing water, dehydration. I believe the...
I would concur, doctors in the US would have a hard time diagnosing such a problem. Fibers composed of cellulose seems rather impossible to be formed physiological. Its most likely parasitic. Some type of helminth, nematode, or possibly a photosynthetic protozoa? Maybe a diatom perhaps?
Hey everyone, first time poster here. Just curious how some people here went about studying for the general GRE? Some people have told me to just take it and others say study for months. What did you folks out there have taken the test do? What type of study material did you use and how long...