Hint:Chromosomes are made up of chromatin. Chromatin made up of the threads of DNA forms the structure of chromosomes. The DNA gets condensed to form chromosomes. Genes are the segments of DNA. The code for proteins. This means chromosomes are made up of DNA which contain...
The process of wrapping a DNA double helix can be described as: The first step is wrapping the DNA double helix sections around histone proteins to form structures called nucleosomes. Nucleosomes are linked into structures called "beads on a string" form of chromatin. ...
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- 《Molecular & Cellular Biology》 被引量: 125发表: 1990年 Intra- and inter-nucleosome interactions of the core histone tail domains in higher-order chromatin structure Eukaryotic chromatin is a hierarchical collection of nucleoprotein structures that package DNA to form chromosomes. The initial ...
whereas in chromosomes they are callednucleosomes. A nucleosome is a histone-DNA complex. These were discovered when scientists used caustic materials to dissolve the outer proteins from chromosomes, leaving behind chromatin containing only histones and DNA. Chromatin offers a "beads on a string" app...
What is the difference between chromatin and histone? How do you simplify 8^5/6? Identify the normal structure and function of the cardiovascular system. What is the plot structure of Animal Farm? What is the difference between replication and duplication in chromosomes?
I agree with mdt. Science still has a long way to go. Anyway, in my opinion, controlling the outcome seems not really possible if it is referring to biological processes. Bymdt— On May 31, 2008 As mentioned in the last paragraph, the ability to control the outcome is far from perfect...
However, it was in 1876 that Walter Fleming used staining techniques to stain and identify chromatin. This allows him to study cell division more closely in a process that he named mitosis. In 1888, his colleague, Heinrich Wilhelm Gottfried von Waldeyer-Hartz continued studying the stained ...
What type or types of cells contain the nucleus with chromatin? Provide sources. Which cell component is visible only during cell division in humans? Name two parts that plant cells have but animal cells do not. What is a cell as stipulated in biology?
Chromatids are produced fromchromatinfibers during both meiosis and mitosis. Chromatin is composed ofDNAand skeletalproteinsand is called a nucleosome when wrapped around these proteins in sequence. Even more tightly wound nucleosomes are called chromatin fibers. Chromatin condenses DNA enough to fit w...