1. Which structure does blood pass through immediately beforeentering the right atrium?a. vena cavab. aortac. aatrioventricular valved. semilunar valvee. left atrium2. Which structure has the lowest blood presssure in the systematic circulation?a. vena cavab. aortrac. atrioventricular valved. semilunar valvee. left atrium3. The latin root word for ‘of the lungs’ underlies […]

1. Assume you are analyzing the function of an unknown drug that you suspect alters metabolism in human cells. You add the drug in different amounts in a colony of cells and find that above a certain concentration, the rate of cell growth slows dramatically. You then find out that […]

Q1. Johnny fractured lower third of his right tibia in a skiing accident. The soft tissues in the area were severely damaged and their surgical removal was necessary. After prolonged immobilization, it was found that Johnny was healing extremely poorly. Why did Johnny have poor healing? Q2. Assume you have […]

In tomatoes, the three mutant traits, dwarfness, green flesh, and white flowers, are due to the homozygous recessive state of the genes d, gf, and wf (respectively). A dwarf, green-fleshed, white-flowered plant is crossed as the pollen parent to the homozygous normal plant. a. Diagram the cross, using the forked-line […]