Why Would a Two Base Pair Deletion in the Human

question 23

Multiple Choice

Why would a two base pair deletion in the human myosin gene being studied cause it to be nonfunctional?

• A)The two base pairs that were missing encoded two amino acids that were essential for the protein to function
• B)The two base pairs that were missing were essential for the protein to function
• C)It introduces a frameshift resulting in a truncated protein
• D)It introduces a substitution mutation that changes the amino acid encoded by that codon
• E)It introduces a silent mutation that changes the amino acid encoded by that codon

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Definitions:

Osmosis

The movement of water molecules through a semipermeable membrane from a region of lower solute concentration to one of higher concentration, aiming for equilibrium.

Collecting Duct

A segment of the nephron in the kidney that transports urine from the nephron to the ureters, playing a key role in the regulation of water and sodium.

ADH Production

The synthesis and release of antidiuretic hormone (vasopressin) by the posterior pituitary gland, which helps regulate water balance in the body.

Colloid Osmotic Pressure

The pressure exerted by proteins, mainly albumin, in a blood vessel's plasma that tends to pull water into the circulatory system.