The SNPs M91, P97, M31, P82, M23, M114, P262, M32, M59, P289, P291, P102, M13, M171, M118 from haplogroup A and SNPs M60, M181, P90 from haplogroup B are missing in people without recent African an…

I have a picture in my textbook that is confusing me as to how they are different.I tried looking for some info on the internet, but could'nt get it clear.Please help me.

Melatonin regulates the wake-sleep cycle by causing drowsiness and lowering body temperature, but which specific chemical pathways lead to this drowsiness?

I know PCR can be used to amplify a tiny sample of DNA in order to perform experiments. Is there a similar technique to use on a protein sample? More specifically, I'm not interested in "cutting" u…

Systolic blood pressure[SBP] depends on the cardiac output. When Nor adrenaline is given there is vasoconstriction due to alpha-1 action on blood vessel, vasoconstriction results in increased total

Why don't we hear all the processes in our body (like the rushing of our bloodcells through our arteries, the pumping of our heart, the electricity of neurotransmitters or our brain cells, etc.) I…