A substrate is a substance that is affected by an enzyme. In order for an enzyme to be
effective, it must-

Based on their location in the atmosphere, the layers are able to have their own special characteristics. for example, most weather occurs in the troposphere. what occurs in each of the other layers? (site 1)

The smallest parts of these that retain their original properties are called

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet