How Do Allolactose and Lactose Differ

question 92

Multiple Choice

How do allolactose and lactose differ?

• A)They are composed of different sugars.
• B)Allolactose has a negative charge, while lactose has a positive charge.
• C)The type of linkage holding the two constituent sugars together differs between lactose and allolactose.
• D)The order of the sugars is reversed in the two molecules.
• E)The constituent sugars are both upside down in lactose and right-side-up in allolactose.

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Definitions:

Protein Kinase C

An enzyme that modifies other proteins through the chemical addition of phosphate groups, playing a key role in several signal transduction pathways.

DAG

Diacylglycerol, a type of molecule that functions as a secondary messenger in the transmission of cellular signals.

Calcium Ions

Positively charged calcium particles (Ca2+) that play key roles in various physiological and biochemical processes in living organisms, including muscle contraction and neurotransmitter release.

Phospholipase C

An enzyme that catalyzes the hydrolysis of phospholipids into diacylglycerol and inositol triphosphate, playing an important role in cell signaling.