An Example of Coordinate Control Is the Down-Regulation of Ribosomal

question 60

Multiple Choice

An example of coordinate control is the down-regulation of ribosomal RNA synthesis in response to amino acid starvation, which will cause synthesis of ribosomal proteins to be limited. What is the CORRECT order of the following events that participate in the signaling process?
1. Binding of stringent factor to the ribosome
2. Formation of the unusual nucleotide ppGpp
3. Formation of the unusual nucleotide pppGpp 4. Binding of uncharged tRNA in the ribosomal A-site

• A) 1, 4, 2, 3
• B) 1, 4, 3, 2
• C) 4, 1, 2, 3
• D) 4, 1, 3, 2
• E) 4, 2, 1, 3

---

Definitions:

Neo-Gothic

The revival of the Gothic style in architecture, especially in the 19th century.

Crystal Palace

A large glass and iron structure built in London for the Great Exhibition of 1851, showcasing the latest technology of the time.

Great Exhibition

The first World's Fair, held in 1851 in London, showcasing the achievements of the Industrial Revolution and cultural artifacts.

Prefabricated Elements

Manufactured units or components that are produced in a factory and then transported to a construction site for quick assembly.