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List of biology websites. This is an annotated list of biological websites, including only notable websites dealing with biology generally and those with a more specific focus. Ask A Biologist - has been hosted by ASU School of Life Sciences since 1997. The website contains a large collection of free content, including images, stories, games ...
Biology is the scientific study of life. [ 1 ] [ 2 ] [ 3 ] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. [ 1 ] [ 2 ] [ 3 ] For instance, all organisms are made up of cells that process hereditary information encoded in genes , which can be transmitted to future ...
Ask A Biologist is a pre-kindergarten through high school program dedicated to answering questions from students, their teachers, and parents. The program's primary focus is to connect students and teachers with working scientists through a question-and-answer web e-mail form. The companion website also includes a large collection of free ...
In 1997, Kazilek launched the Ask A Biologist website. What began as a single webpage that partnered questions submitted by K-12 students with answers from university biology professors and graduate students, now offers more than 4,000 pages of multimedia content.
Tree of life (biology) The tree of life or universal tree of life is a metaphor, conceptual model, and research tool used to explore the evolution of life and describe the relationships between organisms, both living and extinct, as described in a famous passage in Charles Darwin 's On the Origin of Species (1859). [1]
Cell biology (also cellular biology or cytology) is a branch of biology that studies the structure, function, and behavior of cells. [ 1 ][ 2 ] All living organisms are made of cells. A cell is the basic unit of life that is responsible for the living and functioning of organisms. [ 3 ] Cell biology is the study of the structural and functional ...
Appearance. Organisation of enzyme structure and lysozyme example. Binding sites in blue, catalytic site in red and peptidoglycan substrate in black. (PDB: 9LYZ ) In biology and biochemistry, the active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction. The active site consists of amino acid residues ...
DNA major and minor grooves. The latter is a binding site for the Hoechst stain dye 33258. Twin helical strands form the DNA backbone. Another double helix may be found tracing the spaces, or grooves, between the strands. These voids are adjacent to the base pairs and may provide a binding site. As the strands are not symmetrically located with ...
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