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genes and chromosome - Coggle Diagram
genes and chromosome
structure of chromosome
DNA
protein
H2A
H2B
H3
H4
H1
amino terminals of histones can be used for further modification
central dogma
DNA transcribe to RNA then translate to protein
some viruses can reverse transcribe RNA to DNA
centromere and telomere
centromere is where chromatids are held together during mitosis
telomere is at the terminal of the chromatin and can protect genes from bring lost
definition of gene
DNA that code for peptides and RNA
DNA needs to be packed to fit into cells
coil
supercoil
negative
positive
eukaryotes and prokaryotes use DNA for genetic codes
while some viruses use RNA
forms of DNA
topoisomerase
some antibiotics are inhibitors of topoisomerases
DNA may exists in nucleus mitochondrion and chloroplasts
only a very small percentage of human genomes encode for protein