In the diffusion activity in lab 5, what prevented starch from moving across the membrane?

How do you determine if the paper test for lipids is positive?

Which color, from the simulation, was demonstrating a high concentration of simple sugars?

Why is it important to set a control group in a scientific experiment, like in the pillbug experiment?

What is the control substance in this experiment?  

The outer wall of the esophagus is referred to as the: 

In which layer of the digestive tract would you find simple columnar epithelium cells? 

The outer wall of the esophagus is referred to as the: 

Trypsin, an enzyme produced by the pancreas, helps in breaking down _____________ into ______________. 

Lacteals absorb ________________ and are located in the_______________.