The chemical reaction in which an element, such as iron, combines with oxygen to form an oxide is called

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

Which feature of a human community is similar to a niche in a biological community

Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods