The root cells of a plant can move potassium ions from the soil into the body through the cell membrane. this process requires the input of energy by the cell. what type of transport is used in this process?

Which units ate used to measure both velocity and speed? check all that apply

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.