40 points plez : ) 2. explain how to focus a microscope using the high power lens. include any safety issues you need to be aware of. 3. why is it important to keep a microscope covered when you’re not using it?

2. To focus a microscope using the high power lens you must first in low power center the specimen and make sure it is in focus. Then switch to high power and adjust using the fine adjustment or the smaller knob.

3. It prevents dust from settling on the scope and in the lenses.

glycolysis is a process that fuel your metabolism. it is apart of cellular respiration the process that produce atp.

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products