How does this help us confirm or revise the ideas we have developed so far about why glucose (sugar) can go through the surface of the dialysis tubing but starch cannot?

If the surface of the small intestine has a similar structure, what can we say about the size of the molecules that can pass through/across its surface?

What’s happening to the complex carbohydrate in a healthy body (green bars) over time, and how did you explain it?

What’s happening to the complex carbohydrate in a healthy body (green bars) over time, and how did you explain it?

Did the same things happen to food in the small intestine and the large intestine?

Does this make you think that the small and large intestines have similar or different functions? Why or why not?

If the large food molecules, like complex carbohydrates, are gone when they reach the large intestine, what do you think happens to them?

What substance seems to remain constant (unchanged) as it travels through the digestive system?

What did you learn about spit?

If we know that chemical reactions are why old substances can turn into new substances, what else do we know about what happens to the atoms in the molecules that we start out with during any chemical reaction?

How do these patterns help explain why the amounts of one type of molecule (e.g., a complex carbohydrate) might be decreasing by the same amount as another type of molecule is increasing (e.g., glucose) in the foods we eat as they travel through

Do chemical reactions occur in the mouth?

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