Mary’s grandmother slipped on a scatter rug and fell heavily to the floor. Her left lower limb was laterally rotated and noticeably shorter than her right, and when she attempted to get up, she winced with pain. Mary surmised that her grandmother might have “fractured her hip,” which later proved […]

Biology Must be 250 words must cite work. This week we have learned about the macromolecules of life (proteins, nucleic acids, carbohydrates and lipids) and “good” and “bad” cholesterol. Take the short quiz Test your knowledge of Nutrition Do you feel you know enough about nutrition to make wise nutritional […]

Ethical Decisions in the Workplace After reading your background readings, please review the following scenario and address the questions at the end. Jerry Stevens heads up an excavation crew for the municipal utilities district in a city in Nebraska. A sewer line needs to be replaced and it has been […]

Early researchers expected the genetic material to be protein rather than DNA because Question 1 options: proteins have more than 20 different monomers, while DNA has only 4; DNA just seemed too simple to carry complex genetic instructions. they hadn’t yet found any DNA inside nuclei, only proteins. nucleic acids […]