Consider Two N-Linked Oligosaccharide Chains on the Same Protein

question 33

Multiple Choice

Consider two N-linked oligosaccharide chains on the same protein. The first chain contains three mannose residues and three negatively charged sialic acid residues, as well as other residues. The second chain contains only two N-acetylglucosamine and eight mannose residues. Which chain seems to have been added to the protein such that it is NOT fully accessible to the processing enzymes in the Golgi apparatus? Which chain is Endo H-sensitive?

• A) Chain one; chain one
• B) Chain one; chain two
• C) Chain two; chain one
• D) Chain two; chain two

---

Definitions:

BCG Matrix

A strategic business tool designed by the Boston Consulting Group to help organizations evaluate and manage the relative positions of their business units or products in terms of market growth rate and market share.

Stars

High-performing and highly valuable members or units within an organization known for contributing significantly to its success.

Question Marks

Products or business units that operate in high growth markets but have a low market share, often requiring significant resources to become profitable.

Goal Displacement

A situation where the primary goal is overshadowed by a secondary goal, leading to a shift in focus.