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What’s happening to the complex carbohydrate in a healthy body (green bars) over time, and how did you explain it?
fiber
The starch molecules are too big to fit through the gates in the surface of the dialysis tubing.
The molecules that pass through the walls must be smaller than the wall’s gates/openings.
yes, bigger food molecules are broken down into smaller molecules, complex carbs into glucose.
Atoms in substances rearrange in chemical reactions to form new substances.
I think they might be different things because there are different things happening in both locations.
it is saliva, made up of water and other chemicals, made in salivary glands, 2-4 pints a day, enzyme called amylase
It got less and less and was zero in the large intestine. We think it is disappearing or maybe breaking down.
Do chemical reactions occur in the mouth?
fiber
The starch molecules are too big to fit through the gates in the surface of the dialysis tubing.
The molecules that pass through the walls must be smaller than the wall’s gates/openings.
yes, bigger food molecules are broken down into smaller molecules, complex carbs into glucose.
Atoms in substances rearrange in chemical reactions to form new substances.
I think they might be different things because there are different things happening in both locations.
it is saliva, made up of water and other chemicals, made in salivary glands, 2-4 pints a day, enzyme called amylase
It got less and less and was zero in the large intestine. We think it is disappearing or maybe breaking down.
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?
fiber
The starch molecules are too big to fit through the gates in the surface of the dialysis tubing.
The molecules that pass through the walls must be smaller than the wall’s gates/openings.
yes, bigger food molecules are broken down into smaller molecules, complex carbs into glucose.
Atoms in substances rearrange in chemical reactions to form new substances.
I think they might be different things because there are different things happening in both locations.
it is saliva, made up of water and other chemicals, made in salivary glands, 2-4 pints a day, enzyme called amylase
It got less and less and was zero in the large intestine. We think it is disappearing or maybe breaking down.
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?
fiber
The starch molecules are too big to fit through the gates in the surface of the dialysis tubing.
The molecules that pass through the walls must be smaller than the wall’s gates/openings.
yes, bigger food molecules are broken down into smaller molecules, complex carbs into glucose.
Atoms in substances rearrange in chemical reactions to form new substances.
I think they might be different things because there are different things happening in both locations.
it is saliva, made up of water and other chemicals, made in salivary glands, 2-4 pints a day, enzyme called amylase
It got less and less and was zero in the large intestine. We think it is disappearing or maybe breaking down.
Does this make you think that the small and large intestines have similar or different functions? Why or why not?
fiber
The starch molecules are too big to fit through the gates in the surface of the dialysis tubing.
The molecules that pass through the walls must be smaller than the wall’s gates/openings.
yes, bigger food molecules are broken down into smaller molecules, complex carbs into glucose.
Atoms in substances rearrange in chemical reactions to form new substances.
I think they might be different things because there are different things happening in both locations.
it is saliva, made up of water and other chemicals, made in salivary glands, 2-4 pints a day, enzyme called amylase
It got less and less and was zero in the large intestine. We think it is disappearing or maybe breaking down.
What substance seems to remain constant (unchanged) as it travels through the digestive system?
fiber
The starch molecules are too big to fit through the gates in the surface of the dialysis tubing.
The molecules that pass through the walls must be smaller than the wall’s gates/openings.
yes, bigger food molecules are broken down into smaller molecules, complex carbs into glucose.
Atoms in substances rearrange in chemical reactions to form new substances.
I think they might be different things because there are different things happening in both locations.
it is saliva, made up of water and other chemicals, made in salivary glands, 2-4 pints a day, enzyme called amylase
It got less and less and was zero in the large intestine. We think it is disappearing or maybe breaking down.
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?
fiber
The starch molecules are too big to fit through the gates in the surface of the dialysis tubing.
The molecules that pass through the walls must be smaller than the wall’s gates/openings.
yes, bigger food molecules are broken down into smaller molecules, complex carbs into glucose.
Atoms in substances rearrange in chemical reactions to form new substances.
I think they might be different things because there are different things happening in both locations.
it is saliva, made up of water and other chemicals, made in salivary glands, 2-4 pints a day, enzyme called amylase
It got less and less and was zero in the large intestine. We think it is disappearing or maybe breaking down.
What did you learn about spit?
fiber
The starch molecules are too big to fit through the gates in the surface of the dialysis tubing.
The molecules that pass through the walls must be smaller than the wall’s gates/openings.
yes, bigger food molecules are broken down into smaller molecules, complex carbs into glucose.
Atoms in substances rearrange in chemical reactions to form new substances.
I think they might be different things because there are different things happening in both locations.
it is saliva, made up of water and other chemicals, made in salivary glands, 2-4 pints a day, enzyme called amylase
It got less and less and was zero in the large intestine. We think it is disappearing or maybe breaking down.
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