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6. What of the following is true about the one-gene one-enzyme hypothesis

  • Each gene codes for a specific enzyme
  • If a gene is deficient, the enzyme can be created by a different gene
  • Gene/enzyme deficiency cannot be inherited
  • If one gene does not code for one enzyme it will only effect one step in a metabolic process

7. True or false: Phenylalanine free diet is a treatment for alkaptnuria

  • I dont know
  • True
  • Maybe
  • False

8. What is another name for MSUD

  • Branched-chain keto aciduria
  • Homogentisic acid disease
  • branched-chain alpha-keto disease
  • branched-chain alpha-keto acid dehydrogenase disease

9. What is a symptom of Alkaptonuria?

  • Sweet Smelling Urine
  • Arthritis in the knees and hips
  • Musty smelling urine
  • Arthritis in the hands and ankles

10. Which of the following is a diagnosis method for MSUD ONLY?

  • DNA testing
  • Bacterial inhibition method
  • Gas chromotography
  • Genetic testing

11. What is one of the main symptoms of phenylketonuria?

  • Chronic lower back pain
  • Musty odour in breath, skin and urine
  • Black urine
  • Sweet smelling urine

12. Which of the following is the inheritance pattern of Alkaptonuria

  • Autosomal Recessive
  • X-linked Recessive
  • Autosomal Dominant
  • X-linked Dominant

13. Which of the following is a disorder of organic acid metabolism

  • Alkaptonuria
  • Phenylketonuria
  • Kearns-Sarre Syndrome
  • Zellweger syndrome