Answer:
A group of blood disorders generally passed on from the parents to the offspring is known as SCD or sickle cell disease. Of the disease, the most common is the SCA or sickle cell anemia. In the disease, the red blood cells comprise an abnormal form of the oxygen-carrying protein hemoglobin.
Generally, humans comprise hemoglobin A, A2, and F types. Of the three types, the hemoglobin F dominates till the age of 6 weeks, after which hemoglobin A dominates till the end of life. However, in the persons diagnosed with SCA, at least one of the beta-globin subunits in hemoglobin A gets substituted by a different form known as hemoglobin S. In the disease, a single nucleotide mutation in the beta-globin gene takes place, in this at 6th position, the glutamic acid gets replaced by Valine.
The answer is A!
Ron is showing an invalid experimental placebo in this experiment due to the positive response.
goodluck, :)
The evolution of wings and the ability to move by flying is a unique
adaptation of insects among all protostomes. During the pre-adaptation, their wings
might held the respiratory structures for greater exchange of gases or it
function as a protective shields over their leg joints.
Moreover, like
dragonflies that are unable to tuck their wings when at rest, the next
evolutionary burst is the foldable wings they have. These insects includes
locusts and stoneflies.
Answer:
false its been out of the ice age
I'm not positive but I think the answer is C condensation