Biochemistry Quiz – Carbohydrates

During training, Alucard explains that muscles quickly release energy from:

• Amylose

• Glycogen

• Inulin

• Cellulose

Miya compares starch and cellulose. Which is unique to cellulose?

• α-1,4 bonds

• β-1,4 bonds

• Amylopectin content

• Easy digestion

Angela is prescribed a drug derived from carbohydrates that strengthens heart contractions. Which is it?

• Digoxin

• Mannitol

• Sorbitol

• Hyaluronic acid

Miya explains to her classmates that glycoproteins in the extracellular matrix are vital for:

• Oxygen transport

• Cell recognition and adhesion

• Glycogen storage

• Fat digestion

The doctor orders an inulin clearance test. Layla explains this measures:

• GFR

• Blood glucose level

• Liver function

• Muscle glycogen storage

A deficiency of ribose would impair:

• Glycogen storage

• DNA/RNA synthesis

• Enzyme activity

• Fat metabolism

Angela learns that oxidation of an aldehyde group in glucose produces:

• Aldonic acid

• Aldaric acid

• Sugar alcohols

• Ketones

Miya eats rice and bread before battle for energy. The main blood sugar derived from these foods is:

• Fructose

• Galactose

• Glucose

• Ribose

Angela reviews sugar substitutes. Which carbohydrate derivative is used as an artificial sweetener in gums?

• Sorbitol

• Xylitol

• Mannitol

• Lactulose

Miya observes a brick-red precipitate using Fehling’s solution in the lab. This indicates:

• Presence of sucrose

• Presence of reducing sugar

• Presence of starch

• Presence of amino acids