Figure 16.3 Above Is a Metabolic Pathway for the Synthesis of an of an Amino

question 3

Multiple Choice

Figure 16.3
Above is a metabolic pathway for the synthesis of an amino acid E) , without which an organism could not live. Enzymes are represented by numbers, and substrates by letters. Use this figure for the next questions.
-Refer to the figure above. If an organism is given E in their diet, they survive. However, if the same organism is given only substrate A, B, C, or D in their diet, they die. Which of the enzymes is most likely defective?

• A) Enzyme 1
• B) Enzyme 2
• C) Enzyme 3
• D) Enzyme 4

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Definitions:

Psychosis

A mental disorder characterized by a disconnection from reality, which may involve delusions, hallucinations, incoherent speech, and disorganized behavior.

Schizophrenogenic Mother

A type of mother—supposedly cold, domineering, and uninterested in the needs of her children—who was once thought to cause schizophrenia in her child.

Schizophrenia

A serious psychological impairment manifesting in disruptions to thinking, experiencing, emotional regulation, articulation, self-identity, and social conduct.

Mentally Ill Chemical Abusers

Individuals who suffer from both a substance misuse problem and a mental health disorder, indicating a need for integrated treatment approaches.