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Ribosomal RNA is synthesized in a specialized region of the nucleus called the
nucleolus, which appears as a dense area within the nucleus and contains the
genes that encode rRNA (see Figure 8). This is also the site of assembly of ...
In plant cells, the cytoplasm is divided by the formation of a new cell wall, called
the cell plate, between the two daughter cells. The cell plate arises from small,
Golgi-derived vesicles that coalesce in a plane across the equator of the late ...
The different groupings are in constant change, or flux, and are called flickering
clusters. The average cluster size, n, decreases with increasing temperature or
pressure, thus accounting for such properties as the maximum in the temperature
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The New Encyclopaedia Britannica (Encyclopaedia)User Review - Not Available - Book Verdict
For virtually all its 238 years,Britannica has ruled the shelves as a peerless general encyclopedia. Reviewers have consistently given it high marks for most of the 12 criteria identified inKister's ... Read full review