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1. www.genome.gov › genetics-glossary › Deoxyribonucleic-AcidDeoxyribonucleic Acid (DNA) - National Human Genome Research...

   www.genome.gov › genetics-glossary › Deoxyribonucleic-Acid

   • En caché

   Hace 1 día · Definition. Deoxyribonucleic acid (abbreviated DNA) is the molecule that carries genetic information for the development and functioning of an organism. DNA is made of two linked strands that wind around each other to resemble a twisted ladder — a shape known as a double helix.

2. www.genome.gov › genetics-glossary › Double-HelixDouble Helix - National Human Genome Research Institute

   www.genome.gov › genetics-glossary › Double-Helix

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   Hace 5 días · Double helix, as related to genomics, is a term used to describe the physical structure of DNA. A DNA molecule is made up of two linked strands that wind around each other to resemble a twisted ladder in a helix-like shape. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups.

3. www.genome.gov › genetics-glossary › NucleotideNucleotide - National Human Genome Research Institute

   www.genome.gov › genetics-glossary › Nucleotide

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   Hace 5 días · A nucleotide is the basic building block of nucleic acids (RNA and DNA). A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base. The bases used in DNA are adenine (A), cytosine (C), guanine (G) and thymine (T). In RNA, the base uracil (U ...

4. www.nagwa.com › en › explainersLesson Explainer: DNA in Eukaryotes | Nagwa

   www.nagwa.com › en › explainers

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   Hace 2 días · The DNA in eukaryotic cells is organized into structures called chromosomes. In humans, there are 23 pairs of chromosomes or 46 chromosomes in total. These chromosomes are highly compacted to give this structure, and they contain a lot of DNA. The human genome (haploid) is about 3 billion nucleotides long.

5. www.nagwa.com › en › explainersLesson Explainer: Genes and Chromosomes | Nagwa

   www.nagwa.com › en › explainers

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   Hace 4 días · The structure of DNA was accurately described by James Watson and Francis Crick. A gene is a section of DNA sequence that controls certain characteristics. A chromosome is a long strand of DNA that is condensed and coiled to fit into the nucleus in eukaryotes.

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7. www.britannica.com › science › centromereCentromere | chromosome, DNA, replication | Britannica

   www.britannica.com › science › centromere

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   Hace 3 días · Centromere, structure in a chromosome that holds together the two chromatids (the daughter strands of a replicated chromosome). The centromere is the point of attachment of the kinetochore, a structure to which the microtubules of the mitotic spindle become anchored. The spindle is the structure.

8. www.youtube.com › watchDNA Structure and Function - YouTube

   www.youtube.com › watch

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   Hace 1 día · In this video, we cover the basics regarding DNA structure and function.This video covers topics such as:- where DNA is located in different types of cells- ...