Poll

Which 'study break' activity do you find most distracting?
Talking / texting
Playing video games
Listening to music
Watching TV
Browsing the web
Napping
Other
If you would like to vote in this poll, please login or register

New Topic  
wrote...
Posts: 7
Credits: 16
Rep: 0 0
4 years ago
Activity 2: Exploring Amylase Substrate Specificity
1. Describe why the results in Tube 1 and Tube 2 are the same.

2. Describe the result in tube 3.

Activity 3: Assesing Pepsin Digestion of Protein
1. What do you think would hapen if you reduced the incubation time to 30 minutes for tube 5?

Activity 4: Assessing Lipase Digestion of Fat
1. Explain why you can't fully test the lipase activity in the tube 5.

2.Which tube had the highest lipase activity?

3. Explain why pancreatic lipase would be active in both the mouth and the intestine.

4. Describe the process of bile emulsification of lipids and how it improves lipase activity.

Any help will be great! Thanks!
Read 10460 times
3 Replies
Answer accepted by topic starter
wrote...
*
*
Posts: 19814
Credits: 2650
4 years ago
To view this post and more
You'll need to login or register
1. Explain why you can't fully test the lipase activity in the tube 5.

Measurement of lipase activity uses a decrease in pH. Since the pH in Tube #5 is already very low, it is difficult to tell if fatty acids are released.

Test tube #1 should have the highest activity because the pH is closest to the pH of the small intestine. Note: Some students might choose pH 9.0 but the intestine is closer to 8.0 and the enzyme is not activity at such high alkalinity.
✓ Don't be mean, we need followers on Twitter too! Slight Smile
wrote...
4 years ago
Thanks for the help!
wrote...
*
*
4 years ago
Thanks for the help!

Did you end up finding the answers to the other questions?
✓ Don't be mean, we need followers on Twitter too! Slight Smile
New Topic      
This topic is currently locked from adding new posts. Only administrators and moderators can reply. If you'd like to contribute to this topic, start a new thread and make reference to this one. Otherwise, contact a moderator for more options.

Explore

Post homework questions online and get free homework help from tutors.
Learn More
Improve Grades
Help Others
Save Time
Accessible 24/7
There are currently 574 guests browsing and 40 members online. So far today, 903 students have registered.
Related Images
3939
0
07/29/11

498
5
06/30/13

291
0
05/20/14