Answer:
People with the sickle cell mutation in both copies of the HBB gene produce proteins that clump together and lead to changes in the shape and behavior of red blood cells.
They are alike because they are the simplest form of life and the carry genetic information.
All large radioactive atoms decay into smaller atoms by emitting alpha particles which consists of two protons and two neutrons. An alpha particle can also be thought of as the nucleus of a helium atom and as such they are sometimes referred to as He2+ . The positive charge is due to the lack of two electrons.
Answer:
they are chambers located below the two atria.
the right ventricle receives deoxygenated blood whereas the left receives oxygenated blood which opens up into the aorta
C
in the first paragraph a fact is challenged
and the second one provides an example
