How Might a Single Base Substitution in the Sequence of a Gene

question 21

Multiple Choice

How might a single base substitution in the sequence of a gene affect the amino acid sequence of a protein encoded by the gene, and why?

• A) The amino acid sequence would be substantially altered, because the reading frame would change with a single base substitution.
• B) It is not possible for a single base substitution to affect protein structure, because each codon is three bases long.
• C) Only a single amino acid could change, because the reading frame is unaffected.
• D) All amino acids following the substitution would be affected, because the reading frame would be shifted.

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Definitions:

Core Capitalist Country

A country that is at the forefront of capitalism, having well-developed industries, technological advancements, and a significant influence on global economic policies.

Peripheral Capitalist Country

A term used in world-systems theory to describe countries that are less economically developed and often exploited by more developed core countries, mainly focusing on exporting raw materials.

Geopolitical Position

The strategic significance of a country's location on the global stage, in terms of politics, economics, and military strategy.

Economic Development

The process by which a nation improves the economic, political, and social well-being of its people, often through industrial, technological, and infrastructural advancements.