Sickle cell anemia<span> is the result of a point mutation, a change in just one nucleotide in the gene for hemoglobin. This mutation </span>causes<span> the hemoglobin in red blood cells to distort to a sickle shape when deoxygenated.</span>
Carbohydrates are composed of monomers or repeating subunits of simple sugars or monosaccharides, such as glucose, galactose etc.
The correct response is a) multicellular organisms.
False because t<span>he </span>Cambrian Period<span> was when most of the major groups of animals first appear in the fossil record.</span>
