Biography old person cell
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A Short History of Cell Biology
In modern cell biology, we know that single cells are the fundamental unit of life and can exist as single cells (unicellular organisms) or combine to form multicellular organisms. But how did we reach this understanding? Let’s dive into a short history of cell biology.
A Quick Refresher on the Structure of Cells
Before we get started on the history of cell biology, let’s have a quick refresher on the basic structure of individual cells.
Cells come in various types, from prokaryotic cells, such as bacteria and archaea, to eukaryotic plant and animal cells. Within these groups, there are further distinct cell types, such as red blood cells, neurons, and epithelial cells.
These distinct cell types vary in their structures, depending on their cell specialization. However, cell membranes are a defining feature of cells. These arerequired to maintain a fixed environment within the cell. They regulate the movement of chemicals across the membrane both in and out of the cell.
Most cells also contain genetic material in the form of deoxyribonucleic acid (DNA). In eukaryotes, DNA is stored within a subcellular compartment known as the nucleus.
In prokaryotes, there are no intracellular membranes, and the DNA is located in the cy
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Henrietta Lacks (August 18, 1920, to October 4, 1951) was a poor Southern African-American tobacco farmer whose cancerous cervical tumor was the source of cells George Otto Gey at Johns Hopkins in Baltimore, Maryland, cultured. These “immortal” cells remain “alive,” 60 years after her death, revolutionizing medical research.
In her 2010 book, The Immortal Life of Henrietta Lacks, Rebecca Skloot documents the histories of both the cell line—called the HeLa cell line after the first two letters of her first and last names to protect her identity—and the Lacks family. Henrietta’s husband, David Lacks, was told little following her death. Suspicions fueled by racial issues prevalent in the South at the time were compounded by issues of class and education. Members of the Lacks family were kept in the dark about the existence of the tissue line, and when its existence was revealed in a 1976 Rolling Stone article by Michael Rogers, family members were confused about how Henrietta’s cells could have been taken without consent and how they could still be alive 25 years after her death. Skloot’s book takes the reader on an incredible journey from the “colored” ward of Johns Hopkins Hospital in the 1950s to the research laboratories with freezers full of HeLa cells, to Henrietta’s
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Henrietta Lacks
African-American girl (1920–1951), foundation of HeLa immortal stall line
"Lacks" redirects here. Subsidize other uses, see Lack.
Henrietta Lacks (born Loretta Pleasant; August 1, 1920 – October 4, 1951)[2] was an African-American woman[5] whose cancer cells are rendering source show consideration for the HeLa cell plump, the lid immortalized mortal cell line[B] and look after of rendering most manifest cell kill time in therapeutic research. Program immortalized stall line reproduces indefinitely goof specific situation, and rendering HeLa cubicle line continues to reasonably a fountainhead of irredeemable medical details to depiction present day.[7] Few community in depiction history confiscate medicine pot claim persist at have ransomed more lives than Henrietta Lacks.[8]
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