Phenylketonuria (PKU): Causes, Symptoms, and Treatment Explained Phenylketonuria. Answer: It is a common metabolic disorder. Phenylketonuria Causes: Deficiency of the hepatic enzyme phenylalanine hydroxylase. Phenylketonuria Mechanism: 1. Deficiency of enzyme phenylalanine hydroxylase ↓ Impairs synthesis of tetrahydrobiopterin ↓ Causes accumulation of … [Read more...] about Phenylketonuria (PKU): Causes, Symptoms, and Treatment Explained
Immunoglobulins Explained: Structure, Classes, and Functions
Immunoglobulins Explained: Structure, Classes, and Functions Question 1. Immunoglobulin Answer: They are specialized groups of proteins Immunoglobulin Structure: Consists of 2 heavy chains and 2 light chains These chains are held together by disulfide bonds Thus it forms Y shaped structure Heavy chains are linked to carbohydrates Immunoglobulin … [Read more...] about Immunoglobulins Explained: Structure, Classes, and Functions
Active Methionine: The Key Player In Transmethylation Reactions
Active Methionine: The Key Player In Transmethylation Reactions Question 1. Active Methionine. Answer: Active Methionine Formation: Methionine is activated by ATP in the presence of the enzyme methionine-adenosyl transferase. Methionine + ATP → active methionine. Active Methionine Structure: The s-methyl bond is a high-energy bond. The Methyl group … [Read more...] about Active Methionine: The Key Player In Transmethylation Reactions
Aromatic Amino Acids And Their Metabolic Disorders Explained
Aromatic Amino Acids And Their Metabolic Disorders Explained Question 1. Semi-essential amino acids. Answer: Those amino acids which can be synthesized by adults and not by growing children is known as semi-essential acids. Example: Arginine and histidine. Question 2. Name the aromatic amino acids and inborn errors in them. Answer: Aromatic amino acids: … [Read more...] about Aromatic Amino Acids And Their Metabolic Disorders Explained
Conjugated Proteins: Types, Functions, And Biological Roles
Conjugated Proteins: Types, Functions, And Biological Roles Question 1. Describe the urea cycle. Answer: The urea cycle is tire first metabolic cycle described by Hans Krebs and Kurt Henseliet. Urea Cycle Steps: Synthesis of carbamoyl phosphate. Formation of citrulline. Synthesis of arginosuccinate. Cleavage of arginosuccinate. Formation of urea. … [Read more...] about Conjugated Proteins: Types, Functions, And Biological Roles