Q1 A population of birds on an island vary in color. Some have blue wings and some have green. All are doing well until a meteorite hits the island and kills many of the birds. More blue-winged than green-winged birds are killed. Which of the following should we expect if […]

Listed below are hemoglobin P50 values and blood O2 capacity in a number of different species.Which animal has hemoglobin with the highest O2 affinity and which has hemoglobin with the lowest O2 affinity?Animal P50 O2 capacity Iguana 51 10.5Rana (frog-lungs and skin) 39 8.1Orcinus (whale) 34 21.5Adelie penguin 34 22.4Adult […]

Discussion Topic Heart disease is the leading cause of death in the United States. Almost 700,000 people die of heart disease in the U.S. each year. Heart disease is a term that includes several more specific heart conditions, although the most common heart disease in the United States is coronary heart […]

Q1. 1. Illustrate four organelles or structures that all eukaryotic cells have in common. In addition, describe two eukaryotic cell features that will be found only in autotrophic cells.2. Compare and contrast prokaryotic and eukaryotic cells. What are the similarities and differences between these two types of cells? Give two […]