Micro Medioamb
GENE EXPRESSION. CONSTITUTIVE GENE PRODUCTS ARE NEEDED BY THE BODY AT ALL TIMES TUMOR SUPRESSOR PROTEINS ENZYMES THAT CONTROL CELLULAR RESPIRATION.
Ecosystems What is ecology?. Habitats An organism obtains food, water, shelter, and other things it needs to live, grow, and reproduce from its environment.
Kingdoms Dr. Childs Science Computer Lab Winter, 2004.
Photosynthesis
