How was catherine dulac able to conclude that the pheromone receptor she was investigating in mice was specifically responsible for gender identification? what results would have been obtained if her original hypothesis was correct that the receptor controlled mating behavior?

Which statement best explains the relationship between diet and osteoporosis? a. cholesterol blocks calcium from reaching bone cells. a diet that is high in cholesterol can lead to osteoporosis. b. calcium and phosphorus build strong and flexible bones. a diet that lacks these nutrients can lead to osteoporosis. c. protein and iron build strong and flexible bones. a diet that lacks these nutrients can lead to osteoporosis.