Whether there is a unified theory of biology is still a matter of debate. This can be answered only if the question ‘what constitutes a unified theory’ is answered. The answer will be ‘no’ in the sense that there is no unified theory of biology supported by clear mathematical equations effectively describing different aspects of all biological behaviors. However, many biologists opine that there is a unified theory of biology because biology is unified by the modern evolutionary synthesis, which simply refers to “theoretical merger of Darwin’s theory of natural selection and genetics” (Henriques, 2012). Later, many biologists ...
Free Cell Theory Essays to Serve as a Model to Follow
2 samples on this topic
Every biology student can cite cell theory by heart. Why is the cell theory important? Well, because it literally explains the reproduction and functioning of any living organism on the planet. That said, its principles are fairly simple and include 3 main tenets: 1) living organisms are composed of cells; 2) cells are the basic functional units of living organisms; and 3) all cells come from other cells. These fundamentals were formally articulated by Theodor Schwann and Matthias Schleiden in 1839-1855. However, they stand on the shoulders of Robert Hooke (who first discovered the cell in 1665), Anton van Leeuwenhoek (who observed and documented single-celled organisms), and Robert Brown (who discovered the cell's nucleus in 1831).
As straightforward as these basics are for us today, crafting a meaningful cells theory essay can still be a challenge for any student. That's why browsing our directory of free sample papers before starting your own piece is a really good idea. Doing so will help you better understand what to write about, how to prove the significance of your work, and clearly explain what contribution your essay on cell theory would present to the scientific field.
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How an Animal Cell Survives
Although the animal cell is similar in many ways to eukaryotic as well as some few eukaryotic cells, there are strikingly large differences between them, especially the requirements for survival in various environments (Baitsell, 2008). The animal cell is one of the members of eukaryotic cell category, whose structure is quite complicated by the organelles present as well as the diverse functions they play towards the survival of the cell and the organism in general (Solomon, Berg, & Martin, 2004). The cell structure is defined by a plasma membrane that bounds a number of organelles, all of which function towards the ...
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