You Are Performing a Mobility Shift Assay with a Protein

question 31

Multiple Choice

You are performing a mobility shift assay with a protein complex that is composed of proteins A,B,C,& D,each of which can bind to the DNA of interest.You run the gel with the lanes as follows:
Lane 1: Protein A + DNA
Lane 2: Proteins A + B + DNA
Lane 3: Proteins A + B + C + DNA
Lane 4: Proteins A + B + C + D + DNA
In which lane will the DNA run closest to the top of the gel?

• A) Lane 4
• B) Lane 3
• C) Lane 2
• D) Lane 1

---

Definitions:

Writing

The act, process, or practice of recording thoughts, ideas, or information on a surface for communication or documentation.

International Sales

Transactions involving the sale of goods between parties located in different countries, governed by international sales law.

Business-to-Business

Referring to commerce transactions or relationships between two or more businesses rather than between businesses and consumers.

United Nations Convention

An international treaty drafted and adopted by member states of the United Nations, addressing various global issues and subjects.