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Questions and Answers
What type of polymer is cellulose?
What type of polymer is cellulose?
- A polymer of β-glucose (correct)
- A polymer of fructose
- A polymer of α-glucose
- A polymer of galactose
In which structure do the hydroxyl (OH) groups of cellulose form hydrogen bonds with neighbouring chains?
In which structure do the hydroxyl (OH) groups of cellulose form hydrogen bonds with neighbouring chains?
- In rigid microfibrils (correct)
- In soluble sugars
- In protein molecules
- In long unbranched molecules
Which animals host bacteria that can digest cellulose into soluble sugars?
Which animals host bacteria that can digest cellulose into soluble sugars?
- Cattle, horses, and termites (correct)
- Cats and dogs
- Chickens and ducks
- Rabbits and guinea pigs
What is the major structural material of plant cell walls?
What is the major structural material of plant cell walls?
Which carbohydrate is the most abundant organic compound on earth?
Which carbohydrate is the most abundant organic compound on earth?
Where are the glucose chains of glycogen organized?
Where are the glucose chains of glycogen organized?
Which of the following is a characteristic of polysaccharides?
Which of the following is a characteristic of polysaccharides?
Why are starch and glycogen suitable as energy storage molecules?
Why are starch and glycogen suitable as energy storage molecules?
Which component of starch has a straight chain structure?
Which component of starch has a straight chain structure?
What is the main reason why cellulose and chitin are suitable as structural materials?
What is the main reason why cellulose and chitin are suitable as structural materials?
What is the characteristic that makes starch insoluble in cold water?
What is the characteristic that makes starch insoluble in cold water?
Which type of macromolecule are polysaccharides like starch and glycogen?
Which type of macromolecule are polysaccharides like starch and glycogen?
What gives a blue-black colour with iodine solution, and why?
What gives a blue-black colour with iodine solution, and why?
Why does a suspension of amylopectin in water give a red-violet colour with iodine solution?
Why does a suspension of amylopectin in water give a red-violet colour with iodine solution?
Which carbohydrate is the most common in human staple foods like rice, wheat, maize, cassava, and potatoes?
Which carbohydrate is the most common in human staple foods like rice, wheat, maize, cassava, and potatoes?
Why is glycogen considered the animal equivalent of starch?
Why is glycogen considered the animal equivalent of starch?
Which compound is easily broken down into maltose and glucose by hydrolysis?
Which compound is easily broken down into maltose and glucose by hydrolysis?
What is the main function of starch in industry?
What is the main function of starch in industry?
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