Draw amylose and cellulose. Explain the differences Can we digest both molecules? Why or Why not?
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Draw amylose and cellulose. Explain the differences Can we digest both molecules? Why or Why not?
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- An example of a monosaccharide is ________. a. fructose b. glucose c. galactose d. all of the aboveDixie Bee wanted to make JELL-O shots for her next party, but felt guilty about encouraging her guests to consume alcohol. She tried to compensate for the toxicity of the alcohol by adding pieces of healthy fresh pineapple to the shots, but when she did, the JELL-O never solidified. What happened? Hint: JELL-O is mainly sugar and a gelatinous mixture of proteins.Explain why cellulose is a necessary component of our diet even though we don’t digest it
- What is the metabolic basis for the observation that many adults cannot ingest large quantities of milk without developing gastric difficulties? What is the benefit of fiber in the diet? Why is it advantageous that polysaccharides can have branched chains? No animal can digest cellulose. Reconcile this statement with the fact that many animals are herbivores that depend heavily on cellulose as a food source.Can human digest this trisaccharide？What bond is it between sugar B and sugar C？（be specific）Sucrose is commonly used to preserve fruits. Why is glucose not suitable for preserving foods?
- If both cellulose and starch are just polymers of glucose, why can we only get glucose from starch, while cellulose cannot be digested by our bodies? What is missing for cellulose?"which of the following monosaccharides are not us are converted to intermediates of glycolysis" a. galactose b. xylulose c.fructose d. mannoseWhich of the following polysaccharides cannot be cleaved with ?α-amylase, a glycosidase that catalyzes the hydrolysis of ?α 1-4 glycosidic bonds. Select all that apply a. Amylopectin b. Glycogen c. Chitin d. Cellulose e. Amylose
- Suppose that after you mixed 10 mL of milk with 1 mL of lactase solution and waited three minutes, you found that your mixture of milk and lactase contained glucose. What are two possible interpretations of this result? (Hint: Think about the possibility that, before digestion, milk contains either a disaccharide or a monosaccharide.)Humans can digest starch, maltose, sucrose and lactose but not cellulose. What structural feature do the digestible carbohydrates have in common? (Biochemical structure related)Disaccharides like lactose can barely get through dialysis tubing, but CAN NOT move across a cell membrane. What must happen to disaccharides and polysaccharides that we eat in order for our cells to use them as energy molecules? What must be present in the digestive tract for this to happen?
