Thompson seedless grapes are an example of a

Nucleic acid certain protein cell membranes certain carbohydrates

How does a gymnosperm prevent itself from pollinating the same tree

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.