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What is the fundamental repeating unit of organization in a eukaryotic chromosome?
The nucleosome is the basic unit that organizes the structure of an eukaryotic chromosome. The nucleosome is DNA wrapped around histone proteins which allows the DNA to condense into chromosomes.
What forms the back bone of a DNA chain?
The backbone of a DNA chain is formed by alternating sugar (deoxyribose) and phosphate molecules, running in a repeating pattern. The sugar-phosphate backbone provides structural support to the DNA double helix and helps to maintain the overall shape of the molecule.
What are the basic structural units of Dna and Rna molecules?
Answer: The basic unit of DNA and RNA is nucleic acid. Notice DNA and RNA both end in NA that is because NA stands for nucleic acid. The D in DNA stand for Deoxyribo. And the R in RNA stands for ribo. So DNA's full name is deoxyribo nucleic acid and RNA's full name is ribo nucleic acid.
What constitutes the backbone of DNA?
The backbone of DNA is made up of sugar molecules and phosphate groups. These molecules form a repeating pattern along the length of the DNA strand, providing structural support and stability to the molecule. The nitrogenous bases are attached to this backbone, forming the genetic code of DNA.
What basic protein forms the unit around which DNA is coiled in the nucleosomes of eukaryotic chromosomes?
Histones are the basic proteins that form the unit around which DNA is coiled in the nucleosomes of eukaryotic chromosomes. These proteins help to package and condense the DNA within the cell nucleus.
The suger that is in the backbone of DNA is called?
The sugar that is in the backbone of DNA is called deoxyribose. It is a five-carbon sugar that forms the repeating structural unit of the DNA molecule.
What is a repeating structure unit that forms RNA and DNA?
nucleotide
Dna is made at with momner?
A nucleotide is a monomer or single repeating unit of DNA
DNA is made of what repeating unit?
DNA is not made up out of 2, but 4 repeating units. These repeating units, nucleotides, being Adenine, Thymine, Guanine, and Cytosine.
What is the fundamental repeating unit of organization in a eukaryotic chromosome?
The nucleosome is the basic unit that organizes the structure of an eukaryotic chromosome. The nucleosome is DNA wrapped around histone proteins which allows the DNA to condense into chromosomes.
What are the 3 parts of this repeating unit of double helix?
The repeating unit of a double helix, such as that of DNA, consists of three main parts: a phosphate group, a sugar molecule (deoxyribose in DNA), and a nitrogenous base (adenine, thymine, cytosine, or guanine). These components form the backbone of the helix through phosphate-sugar linkages, while the nitrogenous bases pair in specific combinations (A with T and C with G) to create the genetic code. Together, they contribute to the structural integrity and function of the DNA molecule.
What forms the back bone of a DNA chain?
The backbone of a DNA chain is formed by alternating sugar (deoxyribose) and phosphate molecules, running in a repeating pattern. The sugar-phosphate backbone provides structural support to the DNA double helix and helps to maintain the overall shape of the molecule.
Do eukaryotes have histones?
Yes, eukaryotes have histones, which are proteins that help in packaging and organizing DNA within the nucleus. Histones associate with DNA to form nucleosomes, the basic repeating unit of chromatin.
What is made up of five carbon sugar .a phosphate group and a nitrogenous base and is basic structural unit of what?
D. nucleotide, DNA
How many hydrogen bonds form between a and t?
In a DNA molecule, adenine (A) forms two hydrogen bonds with thymine (T). This bond is crucial for maintaining the structural integrity of the DNA double helix.
Are the repeating units in a molecule of DNA identical?
No
Is deoxyribose a monosaccharide a disaccharide or a polysaccharide?
Deoxyribose is a monosaccharide, meaning it is a single sugar unit. It is a component of DNA molecules, where it forms the sugar-phosphate backbone of the DNA structure.
