Why Does a Newborn with a Genetic Enzyme Deficiency Have

question 17

Multiple Choice

Why does a newborn with a genetic enzyme deficiency have a normal phenotype at birth?

• A)Metabolism during prenatal life is too slow to require full enzyme activity.
• B)The deficient enzyme's activity was performed by maternal enzymes before birth.
• C)During the fetal phase of life, the newborn was not exposed to the protein that the enzyme is responsible for degrading.
• D)Although the newborn cannot synthesize the enzyme after birth, the initially stored enzyme performs its functions until the level is fully depleted.

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Definitions:

Inelastic

A characteristic of demand or supply that signifies a limited response to changes in prices or other economic factors.

Unit Elastic

A situation where a percentage change in the price of a good results in an equal percentage change in the quantity demanded.

Inelastic

Describes a situation where the demand or supply for a good or service is not significantly altered when the price changes.

Elastic

Elastic describes a situation in economics where the quantity demanded or supplied changes significantly in response to price changes.