Classification of Mycobacterium tuberculosis The genus Mycobacterium comprises over 70 species, several of which are pathogenic to humans. The most notable among these is Mycobacterium tuberculosis, the bacterium responsible for tuberculosis (TB). Understanding the classification of M. tuberculosis and its related species is crucial for medical research and public health. Culture of Mycobacterium tuberculosis The … Read more
What is Osmosis? Definition of Osmosis Osmosis is the spontaneous movement of solvent molecules, typically water, through a selectively permeable membrane from a region of lower solute concentration to a region of higher solute concentration, aiming to equalize solute concentrations on both sides. How Does Osmosis Work? Osmosis is a fundamental process that facilitates the … Read more
What is Enzyme? Factors That Affects Enzyme Activity Enzyme activity, a crucial aspect of biological processes, is influenced by several key factors that dictate the rate and efficiency of enzymatic reactions. Understanding these factors is vital for comprehending the intricacies of enzyme functioning. Let us delve into the six main factors that affect enzyme activity: … Read more
What is Collagen? Definition of Collagen Collagen is the most abundant protein in the body, providing structural support to connective tissues such as skin, bones, tendons, and ligaments. It consists of a triple helix of amino acids, forming a framework that maintains the integrity and elasticity of various tissues. Collagen plays crucial roles in wound … Read more
What is Protein? Classification of protein On the Basis of Structure 1. Fibrous protein Fibrous proteins are a distinct category of proteins characterized by their elongated or fiber-like structure. These proteins are primarily found in animals and play specific roles in structural support. Therefore, understanding their nature, structure, and function is essential for a comprehensive … Read more
What Is a Peptide Bond? Definition of Peptide Bond A peptide bond is a covalent bond formed between the α-carboxyl group of one amino acid and the α-amino group of another, resulting in the release of a water molecule. This bond links amino acids together in a peptide or protein chain and is characterized by … Read more
What are Amino Acids? Definition of Amino Acids Amino acids are organic compounds that serve as the building blocks of proteins. They consist of carbon, hydrogen, and nitrogen atoms and play essential roles in the proper functioning of living organisms. List of 20 Amino acids with the chemical formula Alanine C3H7NO2 Leucine C6H13NO2 Aspartic Acid … Read more
What is Membrane Permeability? Cell Membrane Structure The cell membrane, often referred to as the plasma membrane or biological membrane, plays a crucial role in maintaining the integrity of the cell by separating its interior from the external environment. Its structure is vital for selective permeability and fluidity, allowing the cell to regulate its internal … Read more
What is Artificial Selection? Definition of Artificial Selection Artificial selection, or selective breeding, is the human-driven process of breeding plants or animals to promote desirable traits in offspring by selecting specific individuals with those traits to reproduce. Darwin’s Experiments With Artificial Selection Darwin’s experiments with artificial selection were pivotal in the development of his theories … Read more
What is genetic variation? Definition of genetic variation Genetic variation refers to the differences in DNA sequences among individuals within a population, resulting in diverse traits. This variation arises from factors such as mutations, gene recombination during reproduction, and genetic drift, and it plays a crucial role in evolution and adaptation to changing environments. Types … Read more
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