Which of the following occurs in the process of nitrogen ...

[Metfan725]

Which of the following occurs in the process of nitrogen excretion?
 A) The nitrogen-containing amino group is removed from an amino acid.
  B) Ammonia is produced by the liver and stored in the cells.
  C) Ammonia is converted to urea and is released into the lymphatic system.
  D) Uric acid is produced by the liver and stored in the cells.

Question 2

Which of the following leads to epigenetic variations?
 A) Mutations in the genotype
  B) Alterations in protein synthesis
  C) Variations in the phenotype
  D) Aberrations in chromosomes

[jlaineee]

Answer to Question 1

A

Answer to Question 2

B

[Metfan725]

Thank you!

[jlaineee]

Always glad to help...