24 Questions
Which type of disaccharide is sucrose?
Lactose
What is the main storage form of glucose found in plants?
Amylopectin
Which carbohydrate polymer has a highly branched structure similar to glycogen?
Amylopectin
Where is glycogen primarily stored in animals?
Muscle cells
Which polysaccharide is the major structural polymer in plants?
Cellulose
What is the most abundant disaccharide formed by linking two β−D-glucose molecules?
Cellobiose
Which type of carbohydrate is composed of three to ten monosaccharides linked by glycosidic bonds?
Oligosaccharides
What is the primary energy source provided by glucose in the human body?
Carbohydrates
Which carbohydrate type is best recommended for a healthy diet according to USDA guidelines?
Polysaccharides
What is the general formula for monosaccharides?
(CH2O)n where n = 3 - 7
What naming system is used to identify a monosaccharide based on the number of carbon atoms in its main skeleton?
-ose system
In stereochemistry, what term describes two isomers that are nonsuperimposable mirror images of each other?
Enantiomers
What is the term for a carbon atom that has four different groups bonded to it?
Chiral carbon
Which monosaccharide is the most important sugar in the human body?
Glucose
'Dextrose' and 'blood sugar' are common names for which important biological monosaccharide?
Glucose
Which hormone stimulates the liver to release glucose into the blood when blood glucose concentrations drop too low?
Glucagon
Which monosaccharide is the sweetest of all sugars?
Fructose
What is the principal sugar found in mammalian milk?
Galactose
Which disaccharide is formed by linking α-D-glucose with β-D-fructose?
Sucrose
What type of sugar is deoxyribose?
Aldopentose
Which sugar has an -H replacing the -OH in its structure?
Deoxyribose
What results from a negative reaction in the Benedict test?
Reducing Sugars
blank must be converted to a phosphorylated glucose molecule for lactose to be used as an energy source.
-H groups in galactose
blank is used as a preservative due to its ability to inhibit the growth of microorganisms.
-COOH groups in sucrose
Test your knowledge on the different types of carbohydrates and their role as a major energy source. Explore the basics of monosaccharides and disaccharides, along with recommendations for daily carbohydrate intake.
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