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source Protein synthesis, an essential process for life, is carried out by a large ribonucleoprotein complex called the ribosome. All ribosomes are composed of two subunits - the small ribosomal subunit (SSU; 30S in archaea and 40S in eukaryot

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> link to *archaea* webpage Some of the most ancient genes are those coding for molecules known as ribosomal RNAs. In ribosomes, parts of the cell that float around the soupy cytoplasm, proteins and ribosomal RNA, or rRNA, work tog

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* -> TO INDEX PAGE 1 <- *

* -> TO INDEX PAGE 2 <- *

* -> TO INDEX PAGE 3 <- *

* -> TO INDEX PAGE 4 <- *

* -> TO INDEX PAGE 5 <- *

* visitor's guide *

Below each index page image is a single word which gives a hint to the subject on that webpage.

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Clicking on any index page image opens a webpage, which most often contains an illustrated 1,000 word essay and an image collection. External links are provided to offer in-depth discussion of the subject.

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*** The layout and organization of imagessays.com is a bit tangential by design, leading the visitor to an exploration of related subjects, informing in an unexpected manner, and so expanding the knowledge base of the viewer. ***

primary webpage: seeing

secondary webpage: marrow

annotated list of webpages: * annotated *

“Whenever I discovered something which was noteworthy,

I have felt it my duty to put down what I had discovered,

in order that it would become known to the educated world.”

Antonie van Leeuwenhoek

Letter of June 12, 1716

… see: microscope

“Sharing knowledge is the the greatest of all callings.

There is nothing like it in the land".”

The Instruction of Dua-Khety

… to his son, as he entered scribe school c. 2000 BC, Egypt - Middle Kingdom

… see: seeing

navigation

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explanation of website design

* annotated index of selected webpages *

list of essays

list of external links