Mr. Epperson was lifting a heavy piece of furniture when he…

Mr. Epperson was lifting a heavy piece of furniture when he experienced crushing pain in his chest, began sweating heavily, and was nauseated. His wife drove him to the hospital, where he was diagnosed with a myocardial infarction (heart attack) and given intravenous drugs to dissolve a clot that was obstructing a major coronary artery. After his hospitalization, Mr. Epperson’s doctor told him that some of his heart muscle had died.   Match the questions with the correct answers regarding the cell injury in Mr. Epperson’s heart.  

Humans have pairs of chromosomes. of these pairs are autos…

Humans have pairs of chromosomes. of these pairs are autosomes, ones that appear virtually identical (homologous) between males and females). The remaining pair consists of the sex chromosomes. Females have two homologous chromosomes as their sex chromosomes; males have an X and a Y chromosome.