testing macromolecules. monosaccharides (glucose) what color is benedicts before testing? what is it...
TRANSCRIPT
![Page 1: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/1.jpg)
Testing Macromolecules
![Page 2: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/2.jpg)
Monosaccharides (Glucose)
• What color is Benedict’s before testing?• What is it used to test the presence of?• glucose
![Page 3: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/3.jpg)
Which tests are positive for glucose?Which sample shows the highest amount of glucose?
![Page 4: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/4.jpg)
Which is a positive test for glucose?
• What do the various colors mean?
![Page 5: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/5.jpg)
Iodine is what color at start?Which test tube below is a positive test?
Which is the control?
• Left is potato starch Right is distilled water
![Page 6: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/6.jpg)
Which test positive for starch?
• Look for blue-black color
![Page 7: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/7.jpg)
• Would you say the iodine and potato (left) is a positive or negative test?
• Would you say the iodine and onion (right) is a positive or negative test?
![Page 8: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/8.jpg)
How do glucose molecules and starch molecules compare?
glucose
starch
![Page 9: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/9.jpg)
Sucrose: glucose + fructose
![Page 10: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/10.jpg)
Sudan IV turns fats redCan you tell where the fat and where the water is in this test
tube?
![Page 11: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/11.jpg)
Sudan IV and Milk
![Page 12: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/12.jpg)
What are some difficulties of testing beef broth? Why did we change to chicken broth?
![Page 13: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/13.jpg)
Is this a positive or negative fat test?
• Before After drying
• Positive
![Page 14: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/14.jpg)
Does milk have lipids?
• Added Sudan IV
![Page 15: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/15.jpg)
Would this cat make a positive fat test?
![Page 16: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/16.jpg)
What color is Biuret’s at start?How do you know if your sample is positive for protein?
![Page 17: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/17.jpg)
PROTEIN TEST
• Table 5
![Page 18: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/18.jpg)
Does milk have protein?
• Added Biuret’s
![Page 19: Testing Macromolecules. Monosaccharides (Glucose) What color is Benedicts before testing? What is it used to test the presence of? glucose](https://reader038.vdocuments.us/reader038/viewer/2022102805/5518c678550346991f8b5806/html5/thumbnails/19.jpg)
SUMMARY OF MACROMOLECULE LAB TESTS