What Is the Function of the 19S Cap in the Proteasome

question 29

Multiple Choice

What is the function of the 19S cap in the proteasome complex?

• A) Recognizing the proteins that will be degraded
• B) Unfolding the proteins that will be degraded and threading them into the central 20S cylinder for digestion
• C) Removing the polyubiquitin chain from the proteins that will be degraded
• D) Hydrolyzing ATP to make the digestion process highly efficient
• E) All of the above

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Definitions:

Intensive Agriculture

Farming practices that maximize productivity per unit of land through the use of technologies, irrigation, fertilizers, and pesticides.

Foraging

The act of searching for and exploiting food resources in the wild, typically by hunting, fishing, or gathering plant material.

Species Diversity

The variety of species within a habitat, ecosystem, or geographic area, encompassing both the number of different species (species richness) and their relative abundance.

Clearing Forest

The process of removing trees and vegetation from wooded areas, often for agricultural or urban development purposes.