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:

Physiological Arousal

The bodily responses to stimuli, such as increased heart rate or adrenaline release, indicating excitement or stress.

Emotional Arousal

Refers to the physiological and psychological state of being awoken or stimulated to have intense emotions or feelings.

Blood Sugar Levels

The concentration of glucose present in the blood, important for maintaining energy levels.

Two-factor Theory

in emotion, suggests that emotions are based on physiological arousal and cognitive labeling of that arousal.