(01.01 MC)Which answer correctly summarizes the essential elements of a scientific theory?

(01.01 MC)Fruit flies are commonly used in genetic investigations that focus on traits passed from parents to offspring over several generations. What can you infer is the reason fruit flies are the most commonly used organism for this type of investigation?

(02.04 MC)Which of the following best describes the relationship between the structure of the cell membrane and its function?

(01.02 MC)Glucose and fructose are monosaccharides that have the same chemical formula, C6H12O6. However, they do not chemically react the same. Which of the following generalizations can explain this?

(02.03 MC)When plants wilt, their soft stems and leaves begin to droop. What is going on inside the plants’ cells that causes plants to droop like this?

(02.03 MC)Which of the following best describes what happens after a lysosome is made in the rough endoplasmic reticulum of a plant cell?

(01.01 MC)Which statement best describes a characteristic of a scientific theory?

(01.01 MC)Christiaan Eijkman shared the Nobel Prize in 1929 for the discovery of vitamins. Eijkman went to Java to isolate the pathogen causing beriberi, an illness that appeared to be contagious as it was common in prisons and among ship crews. Eijkman noticed that chickens fed a diet of white rice also suffered from a similar disorder. When the chickens were fed a diet of red rice, the chickens quickly recovered. Eijkman returned to the Netherlands and persuaded a prison to feed the prisoners red rice, and the incidence of beriberi decreased. What would the next step for Eijkman be?

(02.03 MC)The quantity of each type of organelle in a cell varies depending on the tasks the individual cell must perform. If a scientist needed to find cells that contained a large number of chloroplasts, where would be the best place to look?

(02.06 LC)What evidence best supports the conversion during photosynthesis?