What are the 3 major groups of chemicals in DNA? DNA is made up of three basic chemical components: Phosphate. Deoxyribose (a sugar). Two Pyrimidines Cytosine and Thymine. Two Purines Guanine and Adenine.
Pentose sugars and Phosphate groups
An error in the repair of damaged DNA-Apex
The three major parts of DNA replication are initiation, where the DNA molecule unwinds and begins to replicate; elongation, where new DNA strands are synthesized by DNA polymerase; and termination, where replication is completed and two identical DNA molecules are produced.
The term "5' and 3'" in DNA structure refers to the orientation of the sugar molecules in a DNA strand. The numbers indicate the carbon atoms in the sugar molecule to which the phosphate groups are attached. The 5' end has a phosphate group attached to the 5th carbon atom of the sugar, while the 3' end has a phosphate group attached to the 3rd carbon atom. This orientation is important for DNA replication and transcription processes.
DNA polymerase catalyzes the reactions that are responsible for synthesizing new DNA strands in the 5' to 3' direction. The parent DNA strand is read in the 3' to 5' direction but the daughter strand is extended in the opposite direction.
The rungs of the DNA ladder are composed of alternating deoxyribose sugar molecules and phosphate groups.
DNA is composed of four types of nitrogenous bases: adenine (A), thymine (T), guanine (G), and cytosine (C). These bases are paired in specific combinations to form the double helix structure of DNA. Additionally, DNA also contains a sugar molecule (deoxyribose) and a phosphate group, which together make up the backbone of the DNA molecule.
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Pentose sugars and Phosphate groups
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Mammals has these 3 groups .
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DNA is made up of basically 3 chemicals 1. nitrogenous bases- there are 4 types of NBs. adenine(A), guanine(G), cytosine(C) and thymine(T) 2. sugar- deoxyribose pentose sugar. it has one oxygen atom less than the Ribose sugar at the 2' location. 3. phosphate (PO4) these chemicals join together to form larger polymers and DNA is polymer of nucleotide(NBs, sugar, phosphorous)
An error in the repair of damaged DNA-Apex