physioEx 8 exercise 4...activity 1

big-e_7

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12 years ago

if an animal has been thryoidectomized, what hormone(s) would be missing from its blood?

as a result of the missing hormone(s), what would the over all effect on the body be?

How could you treat a thyroidectomized animal so that it functioned like a ''normal'' animal?

If an animal has been hypophysectomized, what effect would you expect to see in the hormone levels in its body?

What would be the effect of a hypophysectomy on the metabolism of an animal?

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robertling

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Valued Member

12 years ago

Propylthiouracil is antagonistic to thyroxine and will tend to decrease the effects of thyroxine.

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AMIRA11

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12 years ago

ok i need a lil more help if you anyone can help?

The following questions refer to Activity 3: Assessing Protein Digestion by Pepsin.

9. At which pH did you see the highest activity of pepsin? How does this correlate to the location of pepsin in the body?
10. What effect did boiling have on pepsin?
11. Was there any digested BAPNA contaminating the pepsin or deionized (DI) water? How can you tell?

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AMIRA11

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12 years ago

physioex 9.0 chemical and physical process of digestion

help!!!!!!!!!!

What is the substrate in this experiment?
13. What is the usual substrate for pepsin, and what subunits are formed with pepsin activity?

14. What was the effect of decreasing the incubation time on the optical density results?
15. What effect would decreased incubation temperature have on pepsin activity? Why?
16. What was the significance of using 37°C for the incubation?

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