Biology Articles

• Developmental Biology
  Biology
  Molecular Biology
  Biotechnology
  Life Sciences
  Cell Biology
   
  

  Germ layer

  A germ layer is a collection of cells, formed during animal embryogenesis. Germ layers are only really pronounced in the vertebrates. However, all animals more complex than sponges (eumetazoans and ... > more
• Nervous System
  Molecular Biology
  Cell Biology
  Sports Medicine
  Neuroscience
  Biology
   
  

  Chemical synapse

  Chemical synapses are specialized junctions through which cells of the nervous system signal to one another and to non-neuronal cells such as muscles or glands. A chemical synapse between a motor ... > more
• Genetics
  Molecular Biology
  Developmental Biology
  Cell Biology
  Biology
  Biotechnology
   
  

  Drosophila melanogaster

  Drosophila melanogaster, a dipteran (two-winged) insect, is the species of fruit fly that is commonly used in genetic experiments; it is among the most important model organisms. In modern biological ... > more
• Microbiology
  Cell Biology
  Molecular Biology
  Genetics
  Origin of Life
  Developmental Biology
   

  Prokaryote

  Prokaryotes are organisms without a cell nucleus, or indeed any other membrane-bound organelles, in most cases unicellular (in rare cases, multicellular). This set of characteristics is distinct from ... > more
• Cell Biology
  Molecular Biology
  Botany
  Genetics
  Biology
  Biochemistry Research
   
  

  Chloroplast

  Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis. Chloroplasts absorb sunlight and use it in conjunction with water and carbon dioxide gas to produce ... > more
• Healthy Aging
  Attention Deficit Disorder
  Hormone Disorders
  Sports Medicine
  Human Biology
  Nervous System
   
  

  Exocrine gland

  Exocrine glands are glands that secrete their products into ducts. They are the counterparts to endocrine glands, which secrete their products directly into the bloodstream. Typical exocrine glands ... > more
• Genetics
  Genes
  Cell Biology
  Molecular Biology
  Biochemistry Research
  Human Biology
   
  

  Genetic code

  The genetic code is the set of rules by which information encoded in genetic material (DNA or RNA sequences) is translated into proteins (amino acid sequences) by living cells. Specifically, the code ... > more
• Healthy Aging
  Attention Deficit Disorder
  Sports Medicine
  Molecular Biology
  Genetics
  Nervous System
   
  

  Neurotransmitter

  Neurotransmitters are chemicals that are used to relay, amplify and modulate electrical signals between a neuron and another cell. Substances that act as neurotransmitters can be roughly categorized ... > more
• Frogs and Reptiles
  New Species
  Animals
  Fish
  Early Humans
  Biology
   

  Frog zoology

  About 400 million years ago, some members of the sarcopterygian group of fish moved onto land. These became the first amphibians. Today, these animals still spend part of their lives in water and ... > more
• Genes
  Human Biology
  Genetics
  Biochemistry Research
  Gene Therapy
  Evolution
   
  

  Gene

  A gene is a locatable region of genomic sequence, corresponding to a unit of inheritance, which is associated with regulatory regions, transcribed regions and/or other functional sequence regions. ... > more
• Neuroscience
  Developmental Biology
  Intelligence
  Nervous System
  Sports Medicine
  Perception
   

  Neuroscience

  Neuroscience is a field of study that deals with the structure, function, development, genetics, biochemistry, physiology, pharmacology, and pathology of the nervous system, divided into the central ... > more
• Fungus
  Microbes and More
  Microbiology
  Pests and Parasites
  Botany
  Seeds
   
  

  Spore

  In biology, a spore is a reproductive structure that is adapted for dispersion and surviving for extended periods of time in unfavorable conditions. Spores form part of the life cycles of many ... > more

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