A patient with sickle cell crisis will most likely complain of severe pain.
A patient with sickle cell disease have an abnormal amino acid composition of hemoglobin, leading to a comformational change to insoluble proteins whenever the red blood cell is deoxygenated; this leads to a change in shape from biconcave to sickle shaped. In sickle cell crisis, the abnormal RBC clump together (easily, because of their shape) then obstruct small blood vessels in the extremities and other organs, causing severe pain.
They both contain DNA but in prokaryotic cells, the DNA isn't in a membrane-enclosed nucleus but is found floating in the cytoplasm. They both also have cell walls
Hydrogen is the right answer
The one in my opinion that best describes a leaf is tissue. it can't be the organism because that would be the tree itself. In a like fashion, it can't be the organ because the branches of the tree would be the organs. Since the leaves make up the branches... they would be tissues.
Answer:
kinetic energy to generate electricity
