DNA is the ultimate control of cell's productions. So A.
Cellular respiration is the process by which the body breaks down sugar like glucose, to release ATP, which is an energy storing molecule. This is how the body gets energy from food.
Your answer is B "Pituitary"
Brainliest Please
Tundra - The coldest land biome is found near Earths north and south poles. It has no trees but has low, slow growing vegetation with permafrost below the topsoil. The tundra usually receives less than 25 cm of precipitation annually.
