Once a Thymocyte Has Productively Rearranged a β-Chain Gene,which of These

question 24

Multiple Choice

Once a thymocyte has productively rearranged a β-chain gene,which of these event(s) can occur subsequently? (Select all that apply.)

• A)β binds to pTα and is expressed on the cell surface with the CD3 complex and ζ chain.
• B)Rearrangement of β-,γ-,and δ-chain genes ceases as a result of the suppression of expression of RAG-1 and RAG-2.
• C)The pre-T cell proliferates and produces a clone of cells all expressing an identical β chain.
• D)Expression of CD34 and CD2 gives rise to double-positive thymocytes.
• E)α-,γ-,and δ-chain loci rearrange simultaneously.

---

Definitions:

Tax Purposes

Considerations related to the calculation and payment of taxes, influencing financial and business decisions.

Ethical Decisions

Choices made based on moral principles and values that aim to be right and fair in various situations.

Good Work

Work that is not only high in quality and beneficial to the employer but also fulfilling and morally commendable for the individual performing it.

Team Mates

Individuals who are part of the same group or team, working together towards a common goal.