Carbohydrates Quiz

Which reagent can oxidize both aldoses and ketoses?

• Periodate oxidation

• Benedict’s reagent

• Bromine water

• Nitric acid

What is the purpose of attaching alcohols, thiols, and amines to glucose?

• Increase sweetness

• Prevent oxidation

• Enhance color

• Improve solubility or transport across membranes

Which blood type lacks both A and B modifications?

• Type A

• Type B

• Type AB

• Type O

What is the building block of DNA?

• Glucosamine

• Glucuronic acid

• Deoxyribonucleotides

• Ribonucleotides

Which enzyme breaks the glycosidic linkage of lactose?

• Sucrase

• Lactase

• Lipase

• Amylase

Which compound is an anticoagulant?

• Aminoglycoside antibiotics

• Heparin

• Vitamin C

• Ribonucleotides

What is the product when the aldehyde group of an aldose reacts with phenylhydrazine?

• Oxidized sugar

• Oxime

• Osazone

• Aldonic acid

Which type of sugar has one of the OH groups replaced by an Amino group?

• Deoxy sugar

• Reducing sugar

• Amino sugar

• Non-reducing sugar

What is the Kiliani-Fischer Synthesis used for?

• Reduction

• Chain shortening

• Chain lengthening

• Oxidation

Which compound is used in the treatment of bacterial infections?

• Glucosamine

• Glucuronic acid

• Amikacin

• Tobramycin