Biology Articles

• Genes
  Genetics
  Evolutionary Biology
  Gene Therapy
  Human Biology
  Cystic Fibrosis
   

  Mutation

  In biology, mutations are changes to the genetic material (usually DNA or RNA). Mutations can be caused by copying errors in the genetic material during cell division and by exposure to radiation, ... > more
• Healthy Aging
  Attention Deficit Disorder
  Genes
  Gene Therapy
  Personalized Medicine
  Genetics
   

  Allele

  An allele is a viable DNA (deoxyribonucleic acid) coding that occupies a given locus (position) on a chromosome. Usually alleles are sequences that code for a gene, but sometimes the term is used to ... > more
• Skin Care
  Psoriasis
  Skin Cancer
  Cosmetic Surgery
  Human Biology
  Healthy Aging
   
  

  Skin

  In zootomy and dermatology, skin is an organ of the integumentary system composed of a layer of tissues that protect underlying muscles and organs. Skin has pigmentation, provided by melanocytes, ... > more
• Genetics
  Developmental Biology
  Biochemistry Research
  Molecular Biology
  Cell Biology
  Biotechnology
   
  

  Chromosomal crossover

  Homologous recombination is the process by which two chromosomes, paired up during prophase 1 of meiosis, exchange some distal portion of their DNA. Crossover occurs when two chromosomes, normally ... > more
• Immune System
  Stem Cells
  Lymphoma
  Cell Biology
  Molecular Biology
  Brain Tumor
   

  Natural killer cell

  Natural killer cells (also known as NK cells, K cells, and killer cells) are a type of lymphocyte (a white blood cell) and a component of innate immune system. NK cells play a major role in the ... > more
• Cell Biology
  Molecular Biology
  Biology
  Human Biology
  Allergy
  Lung Cancer
   

  Heat shock protein

  Heat shock proteins (HSP) are a group of proteins the expression of which is increased when the cells are exposed to elevated ... > more
• Genetics
  Cell Biology
  Molecular Biology
  Healthy Aging
  Attention Deficit Disorder
  Biotechnology
   

  Protein biosynthesis

  Protein biosynthesis (Synthesis) is the process in which cells build proteins. The term is sometimes used to refer only to protein translation but more often it refers to a multi-step process, ... > more
• Genes
  Human Biology
  Biochemistry Research
  Healthy Aging
  Developmental Biology
  Biotechnology
   
  

  DNA repair

  DNA repair refers to a collection of processes by which a cell identifies and corrects damage to the DNA molecules that encode its genome. In human cells, both normal metabolic activities and ... > more
• Gene Therapy
  Genes
  Human Biology
  Genetics
  Biotechnology
  Personalized Medicine
   
  

  Gene therapy

  Gene therapy is the insertion of genes into an individual's cells and tissues to treat a disease, and hereditary diseases in which a defective mutant allele is replaced with a functional one. ... > more
• Cell Biology
  Molecular Biology
  Genetics
  Biochemistry Research
  Biology
  Developmental Biology
   
  

  Mitochondrion

  In cell biology, a mitochondrion (plural mitochondria) is an organelle found in most eukaryotic cells. Mitochondria are sometimes described as "cellular power plants," because their primary function ... > more

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