Most of the oxygen carried by blood is bound to hemoglobin an iron containing protein which also gives red blood cells their distinctive red colour
I think it's A
the cell membrane contain protein molecules
This chocolate is most likely milk chocolate made in the United States.
Well the finches there vary all over the islands there are many different ones who are similar but have a slight varitaion
The term "eusocial" was introduced in 1966 by Suzanne Batra, who used it to describe nesting behavior in Halictine bees. Batra observed the cooperative behavior of the bees, males and females alike, as they took responsibility for at least one duty (i.e., burrowing, cell construction, oviposition) within the colony
