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Lampbrush Chromosomes

Lampbrush Chromosomes

In 1882, Flemming observed lampbrush chromosomes (LBC) in salamander eggs. Later in 1892, Rückert observed LBCs in shark egg cells and coined the term "lampbrush chromosomes" because they looked like brushes used to clean kerosene lamps.
LBCs are made up of two pairs of conjugating homologous chromatids. Each chromatid consists of alternatively positioned regions of condensed-inactive chromatin and loosely placed-active side loops, which can be contracted and extended. The loops...

Energy Basics

Energy Basics

Chemical reactions, such as those that occur when you light a match, involve changes in energy as well as matter.

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Related Experiment Video

Updated: Jan 24, 2026

A Loop-mediated Isothermal Amplification LAMP Assay for Rapid Identification of Bemisia tabaci

A Loop-mediated Isothermal Amplification LAMP Assay for Rapid Identification of Bemisia tabaci

Published on: October 29, 2018

New Lamps for Old?

Trevor Stammers¹

¹a Editor.

The New Bioethics : a Multidisciplinary Journal of Biotechnology and the Body

|May 28, 2019

Summary

No abstract available in PubMed .

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