The Figure Below Depicts a Gene and Two Different Ways

question 64

Multiple Choice

The figure below depicts a gene and two different ways that gene could be mutated.
How does mutation A differ from mutation B?

• A) Mutation A does not permanently change the sequence of the gene, but Mutation B does.
• B) Mutation A involves the insertion of a base whereas Mutation B involves the deletion of a base.
• C) Mutation A results in a possible change in one amino acid in the protein produced by the gene, but Mutation B affects several amino acids.
• D) Mutation A can only occur in introns, but Mutation B can occur in both introns and exons.

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Definitions:

Juxtaglomerular Apparatus

A structure in the kidney that helps regulate blood pressure and filtration rate through the secretion of renin in response to blood pressure changes.

Renin

An enzyme secreted by the kidneys that plays a key role in the renin-angiotensin system, regulating blood pressure and fluid balance in the body.

Extracellular Fluid Osmolality

A measurement of the solute concentration in the extracellular fluid, crucial for maintaining the balance of water and solutes within the body.

Water Reabsorption

The process by which water is reabsorbed back into the bloodstream from the kidneys or other parts of the body.