Hereditary acid.. Amino acid

Hereditary acid:

  • A. Fatty acid
  • B. Amino acid
  • C. Folic acid
  • D. Acid alcohol.

The correct answer is B. Amino acid.

Hereditary acids are the building blocks of proteins, and proteins are essential components of all living cells. They are passed down from generation to generation through genetic material (DNA and RNA).
  • Fatty acids: These are organic compounds that are primarily used for energy storage and cell membrane structure.
  • Folic acid: This is a B vitamin that is essential for cell growth and development, particularly during pregnancy.
  • Acid alcohol: This term is not commonly used in biology and does not refer to a specific type of acid.
Therefore, the only option that accurately describes hereditary acids is amino acid.

Hereditary Acids: Amino Acids

The Building Blocks of Life:

Amino acids are the fundamental units that make up proteins. These complex molecules play crucial roles in various biological processes, including:
  • Structural components: Proteins form the framework of cells, tissues, and organs.
  • Enzymes: Catalyzing biochemical reactions to facilitate essential functions.
  • Hormones: Regulating bodily processes, such as growth, metabolism, and reproduction.
  • Antibodies: Defending the body against pathogens.

Genetic Inheritance:

  • The specific sequence of amino acids in a protein is determined by the genetic code, which is stored in DNA. This code is passed down from parents to their offspring, ensuring the transmission of hereditary traits.

Types of Amino Acids:

There are 20 common amino acids that are used to build proteins. These can be classified into two groups:
  • Essential amino acids: The body cannot produce these amino acids on its own, so they must be obtained from the diet.
  • Non-essential amino acids: The body can synthesize these amino acids from other amino acids or from metabolic intermediates.

Genetic Disorders and Amino Acids:

  • Mutations in the genes that code for amino acids can lead to genetic disorders. These conditions can affect the structure, function, or quantity of proteins, resulting in a wide range of health problems.

Examples of Amino Acid-Related Disorders:

  • Sickle cell anemia: A genetic disorder caused by a single amino acid substitution in the hemoglobin protein.
  • Phenylketonuria (PKU): A metabolic disorder caused by a deficiency of the enzyme phenylalanine hydroxylase, which breaks down the amino acid phenylalanine.
  • Cystic fibrosis: A genetic disorder caused by a mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) protein, leading to abnormal mucus production in the lungs, pancreas, and other organs.   
Understanding the role of amino acids in genetic inheritance and the potential consequences of amino acid-related disorders is crucial for medical research and the development of targeted therapies.

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