Which of These Changes Occurs in the Nucleus During an Alpha

question 34

Multiple Choice

Which of these changes occurs in the nucleus during an alpha decay?

• A)The mass number decreases by 4, and the atomic number decreases by 2.
• B)The mass number does not change, but the atomic number changes.
• C)The mass number changes, but the atomic number does not change.
• D)Neither the mass number nor the atomic number changes.

---

Definitions:

Transcription Initiation

This refers to the process by which the synthesis of RNA from a DNA template is started, involving the assembly of transcription machinery and unwinding of the DNA helix.

Regulatory Domain

Regions or sequences within a gene or protein that are involved in controlling the expression or activity of that gene or protein.

DNA Binding Domain

A region of a protein that directly interacts with DNA sequences to regulate gene expression.

Imprinted Genes

Genes whose expression is affected by the parent that contributed them, important in development and growth.