Figure 1. The three suggested models of DNA replication. Grey indicates the original DNA strands, and blue indicates newly synthesized DNA. The elucidation of the structure of the double helix provided a hint as to how DNA divides and makes copies of itself. This model suggests that the two ...
It includes a)interactive Flash animations designed to develop a strong conceptual understanding of the complex cellular processes of DNA replication, DNA ... Dr. Momna Hejmadi, University of Bath, UK - 《University of Bath》 被引量: 0发表: 2009年 39 DNA Replication This chapter first reviews...
The human genome is exposed to mutations during the life cycle because of many types of changes in the DNA. Viruses, radiation, transposons, mutagenic chemicals, or any errors that happen during DNA replication or the meiotic process in the cell, may cause the mutation. Many mutations have no...
DNA Replication: DNA replication is the process of copying the DNA within our cells. This process is a necessary step in mitosis and meiosis. The Cell Cycle of Growth: Cells grow and replicate through an ordered series of events called the cell cycle. Stage-By-Stage Guide to Mitosis: This ...
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Repetitive, noncoding DNA sequence at the ends of each chromosome, which prevents the loss of coding DNA sequences during DNA replication Telomere shortening occurs after each cell division, which can reduce a cell's life span. The mitotic spindle attaches to the kinetochores, not the centromere...
The actual PCR process is conducted via thermal cycling, a process of heating and cooling that creates the conditions necessary for DNA replication. Thermal cycling for PCR involves three phases-- denaturing, annealing, and extending. Denaturing:The first step in the thermal cycling process for PCR...
DNA Polymerase Enzyme group that replicates DNA strands during DNA replication RNA Polymerase Complex of proteins that catalyze the transcription of RNA from DNA Ribosomes Cellular complexes responsible for protein synthesis, contain protein and RNA elements Ribosome Decodes mRNA into protein amino acid ...
An ori, or origin of replication, is the sequence where replication is initiated. The ori determines the vector copy number. For example, a pUC ori produces a high copy number, whereas a pBR322 ori produces a low copy number. An ori is necessar...
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