Is the preferred source of energy for the brain and nerve cells. fructose maltose glucose lactose

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

What is the next step in the process after a substrate enters the active site of an enzyme

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.