A student reads, “A root hair cell has a higher concentration of mineral ions than the surrounding soil.” He concludes that water will move out of the root hair cell and into the soil. Is the student correct or incorrect?
A partially permeable bag is placed in a solution that is hypertonic to it. Which of the following correctly describes what will happen to the bag?
After a practical exam, a student wanted to calculate the percentage change in mass of two apples.
The starting mass of apple A was 5.07 g and its final mass was 3.23 g. Calculate its percentage change to two significant figures.
The starting mass of apple B was 4.89 g and its final mass was 7.20 g. Calculate its percentage change to two significant figures.