During DNA transposition by the cut-and-paste mechanism, the transposase cuts the two strands of the target site DNA several nuc
leotides apart. Cellular repair enzymes fill in these overhangs, resulting in the formation of During DNA transposition by the cut-and-paste mechanism, the transposase cuts the two strands of the target site DNA several nucleotides apart. Cellular repair enzymes fill in these overhangs, resulting in the formation of the synaptic complex. a poly-A sequence. target site direct repeats. long terminal repeats. inverted terminal repeats.
This type of cut and paste transposition is known as conservative transposition and non-replicative mode of transposition. This means that transposon is completely removed from its original sequence and moved to the other (target site) via enzymes tranposases.
The gaps formed by the action of transposases are being filled in by DNA polymerase. Upon excision, direct repeats are left in the chromosomal DNA.
A lysosome is a membrane-bound cell organelle that contains digestive enzymes. Lysosomes are involved with various cell processes. They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria.
