What is meant by concentration gradient? Is it correct to refer to “concentration gradient of water”?

why does water  move inward in a hypotonic solution?

Which of the following statements about pH is (are) true: pH is a measure of free hydrogen ion concentration none of these are true both of these are true An increase in hydrogen ion concentration means a decrease in pH scale units

Part 1: In the image below (Figure 2) which way will water go?  Describe why in 1-2 sentences using the vocabulary of this lab. a) On a sheet of paper, sketch Figure 5 given above. Draw stars to represent the relative amounts of proteins on side A and side B of Figure 5 that result in water moving to the right, as shown by the arrow. Label Figure 5 with the following terms: “hypertonic”, “more solutes”, “less water”, “hypotonic”, “fewer solutes”, “more water”, semipermeable membrane.”  Part 2: Do you think any water molecules move in the opposite direction of the arrow?  Explain your answer in detail. a)  Describe in your own words why chloroplasts and mitochondria found within a photosynthetic, eukaryotic cell have two membranes.

What do you mean by isotonic solution?