A 63-year-old international telecommunications executive visits your office with complaints of a high fever.   The fever is not constant, but intermittent.  When you press him for details he estimates that every three days or so he suffers these debilitating “sweats.”  He usually has headaches and muscle aches during the episodes.  They keep him […]

Topics are communication within a neuron and communication between neurons Please explain the process of an action potential including the key terms such as depolarization, hyper polarization, threshold of excitement, and sodium potassium pumps. Please explain transmission between neurons including receptor types (i.e. ionotropic and metabotropic) and post synaptic potential. […]

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. […]