What is the monomer subunit for carbohydrates

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1. Describe the differences and the similarities between monosaccharides, disaccharides, and polysaccharides.

2. What is the monomer subunit for carbohydrates? What types of macromolecules can form by linking carbohydrate monomer subunits?

3. Why are carbohydrates important in living organisms?

4. Why does glucose yield a positive Benedict's test, but starch does not?

5. Name three different monosaccharides and three different disaccharides. What monomer sub- units make up the disaccharides that you listed?

6. Name three types of polysaccharides found in living organisms. Describe their functions and their monomer subunits.

7. You are conducting a qualitative analysis of an unknown solution. A Benedict's test results in a color change from blue to green. A Barfoed's test shows no change in color. Lugol's iodine turns a sample of the solution blue/black. Based on these results, what can you conclude about the contents of the unknown solution?

8. A solution gives a positive Benedict's test and a negative Barfoed's test. How could this happen?

9. In the Benedict's and the Barfoed's tests, why is the boiling time critical?

Reference no: EM132814148

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