The triplet code
Each three nucleotides (triplet) in the genetic code, known as a codon, encodes a specific…
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Central Dogma: DNA → RNA → protein
The central dogma in biology describes the flow of genetic information from DNA to RNA…
Regulation of the cycle
The citric acid cycle is controlled so that the cellular respiration can be managed in…
Repair of mutations
Permanent changes in the DNA sequence, called mutations, can have serious consequences for cells and…
Repair during replication
Most mistakes made during DNA replication are directly corrected by DNA polymerase. DNA replication is…
Replicating the ends of DNA molecules
The ends of eukaryotic chromosomes contain repetitive sequences, known as telomeres, that shorten over time…
Specific enzymes involved in replication
Many different enzymes work together to catalyze (speed up) the distinct steps of DNA replication.…
Mechanism of Replication: separation of strands, specific coupling of free nucleic acids
DNA replication is the process by which DNA is copied, usually before a cell divides,…
Origins of replication, multiple origins in eukaryotes
An origin of replication is the specific site in DNA where replication begins; while there…
Semiconservative nature of replication
DNA replication is semiconservative, meaning that each strand in the DNA double helix acts as…