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Coiled up DNA, combined with protein histone, forms chromosomes.
Lincoln Wolf
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∙ 15y agoyes it is
DNA is coiled around histones to make a "10nm string." This is then further compacted in a either a solenoid or zig zag fashion to form a "30nm string." This is then further compacted, eventually leading to chromosomes.
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∙ 11y agothe highly coiled form of DNA is a double helix.
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∙ 15y agoHeterochromatin Heterochromatin
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∙ 12y agoChromosomes
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What scientist proposed that DNA was a triple stranded helix?
Maurice Wilkins & Rosalind Franklin : they developed a high quality x-ray diffraction photographs of strands of DNA. these photographs suggested that the DNA molecule resembled a tightly coiled helix and and was composed of 2 or 3 chains of nucleotides .
DNA is often tightly wound into structures called?
DNA is located in chromosomes inside the nucleus of a cell. This is called nuclear DNA. An organism's complete set of nuclear DNA is called its genome. Humans have a small amount of DNA found in structures mitochondria, which generates the energy the cell needs to function properly.
DNA in thin thread like form is called?
chromotid
Explain how DNA genes and chromosomes are related?
DNA is the molecule that genes are made of. Chromosomes are the (arbitrary) clumping that genes form in cells.
What is it called when a DNA copies itself?
DNA replication
When the DNA in a cell is uncoiled and spread throughout the nucleus it is called?
The most tightly-coiled form of DNA is a chromosome.
How are long strands of DNA capable of fitting inside tiny molecules?
the DNA tightly coils around a group of bead like proteins called histones
X-ray diffraction photographs by wilkins and Franklin suggest that?
DNA molecules are arranged as a tightly coiled helix. (:
How are chromosomes DNA related?
Chromosomes are tightly coiled structures of DNA (and proteins).
What consists of DNA tightly coiled around proteins?
Chromosomes
When is DNA not tightly coiled into a chromosome?
S phase of Interphase
In eukaryotic chromosomes DNA is tightly coiled around proteins called?
The "beads on a string" are called nucleosomes.
What is DNA coiled up into thread like structures called?
When DNA is in its coiled up form, it is called a chromosome. These exist in the nucleus of each cell.
What eukaryotic chromosomes contain both DNA and protein tightly packed together to for a substance?
Eukaryotic chromosomes contain both DNA and protein tightly packed together to form Chromatin. Chromatin consists of DNA tightly coiled around histones. DNA and histone molecules form nucleosomes. These are all part of the structure of chromosomes.
What is the structure of all the chromosomes?
Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.Chromosomes are made up of chromatin, tangled DNA networks, that are 'super-coiled' and large enough to be seen by a microscope.
What is the role or proteins in a chromosome?
Chromatin is tightly coiled and wrapped around proteins called histones to form structures called chromosomes
What are the dark staining regions in the the nucleus of a non-dividing cell which are composed of tightly coiled strands of DNA called?
Condensed chromatin
