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The uniform arrangement of the backbone carbonyl oxygens and amide nitrogens in an ? helix gives the helix a net dipole, so that it carries a partial positive charge at the amino end and a partial negative charge at the carboxyl end. Where would you expect the ends of ? […]

Sickle-cell anemia is caused by an abnormal hemoglobin molecule that changed the shape of red blood cells. This disease can lead to various health complications that are often lethal. However, heterozygous individuals have minor symptoms. Moreover, heterozygous individuals show an advantage with decreased vulnerability to Malaria. The allele for Sickle-cell […]

1. In a species of plant, two genes control flower color. The red allele (R) is dominant to the white allele (r); the color producing allele (C) is dominant to the non-color producing allele (c). You suspect that either an rr homozygote or a cc homozygote will produce white flowers. […]

1. In the presence of a metabolic poison that specifically andcompletely inhibits the function of mitochondrial ATP synthase, which of the followingwould you expect? A) a decrease in the pH difference across the innermitochondrial membraneB) an increase in the pH difference across theinner mitochondrial membraneC) increased synthesis of ATPD) oxygen […]