Which term below describes a single-called organism ?
a. unicellular
b. multicellular
c. bicellular
d. polycellular

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.

Donde se encuentra el adn nuclear en un organismo eucariota?

What processes would you expect to be key in the production of yogurt ?