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Inheritance (Stages of transcription (17.10 (polymerase moves along the…
Inheritance
Stages of transcription
initiation, elongation and termination
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Eventually, the RNA transcript is released, and the polymerase detaches from the DNA
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DNA steps
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Telomerase
an enzyme that adds nucleotides to telomeres, especially in cancer cells.
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POLYRIBOSOMES
an enzyme which brings about the formation of a particular polymer, especially DNA or RNA
DNA polymerase "reads" the existing DNA strands to create two new strands that match the existing ones.
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primer removal
A polyribosome (or polysome) is a complex of an mRNA molecule and two or more ribosomes that is formed during active translation.
These enzymes are essential for DNA replication and usually work in pairs to create two identical DNA strands from a single original DNA molecule.
Figure 16.14
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16.16
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After DNA pol III forks an Okazaki fragment, another DNA polymerase, DNA pol I, replaces the RNA nucleotides of the adjacent primer with DNA nucleotides one at a time
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16.1
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Transform Bacteria Pneumoniae, a bacterium that causes pneumonia in mammals
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Eukaryotes
DNA pol a and o are involved in invivo replication of nuclear DNA where as DNA pol gama for mitochondria DNA
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RNA splicing
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For nuclear-encoded genes, splicing takes place within the nucleus either co-transcriptionally or immediately after transcription.
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DNA Structure
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A,G,C,T
Adenine, Guanine, Cytosine, Thymine
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