The Mutation That Causes SCD Causes What Kind of Change

question 45

Multiple Choice

The mutation that causes SCD causes what kind of change in the structure of hemoglobin?

• A)decreases heme-binding ability
• B)fewer chains of amino acids (trimeric rather than tetrameric structure)
• C)a single amino acid substitution that alters the structure of the tetramer
• D)addition of a single amino acid that causes a longer protein subunit
• E)loss of a single amino acid that causes a frameshift and premature stop codon

---

Definitions:

Manhattan Project

The U.S. research and development project during World War II that produced the first nuclear weapons.

Nuclear Bomb

A powerful explosive weapon that releases energy through nuclear reactions, capable of causing massive destruction and loss of life.

First Manufacture

The initial production or creation of goods through the process of combining raw materials and labor, often marking the start of industrial activity.

Moral Quandary

A situation in which a person is faced with a difficult decision involving a conflict of ethical values or principles.