deoxyribonucleic acid: an extremely long, double-stranded nucleic acid molecule arranged as a double helix that is the main constituent of the chromosome and that carries the genes as segments along its strands: found chiefly in the chromatin of cells and in many viruses. ...
DNA：Definition DNA is a molecule that contains the instructions an organism needs to develop, live and reproduce. These instructions are found inside every cell, and are passed down from parents to their children.DNA：Structure DNA is made up of molecules called nucleotides. Each nucl...
DNA is made up of molecules called nucleotides. Each nucleotide contains three components: a phosphate group, which is one phosphorus atom bonded to four oxygen atoms; a sugar molecule; and anitrogenbase. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytos...
the assembly of complex arrays. An efficient solid-state synthesis for producing surface-grafted, robust nanotubes has now been devised. Rungs are incorporated in a stepwise manner so that each one is addressable. Using fluorescent tags, the nanotube growth was visualized at the single-molecule ...
Preparation of libraries for DNA sequencing for Illumina systems involves multiple steps. In a general workflow, purified DNA is fragmented, end-repaired, and A-tailed; adapters are ligated to the DNA fragments; libraries are amplif...
The commercialization of DNA tagging is a growing trend that demonstrates the increasing practicality of this novel approach. This interdisciplinary technology is based on the distinctive characteristics of DNA as a molecule that can remain stable in varying environmental conditions and store data following...
The strands of the DNA molecule are antiparallel, which means that ( ). A. both strands are oriented in a 5’ to 3’ direction B. both strands are oriented in a 3’to 5’ direction C. the molecule is oriented differently from the rest of the cell D. only one strand of the ...
you can see them on a surface. The neat thing is if you change the sequence and change the spell, just change the sequence of the staples, you can make a molecule that looks like this. And, you know, he likes to hang out with his buddies. A lot o...
Many point mutations that occur in cancer cells arise from the error-generating activities of DNA polymerases. However, the ability of some of these enzymes to bypass DNA damage may actually defend against chromosome instability in cells, and at least one DNA polymerase, Pol ζ, is a suppressor...
Nanopore sensing relies on measuring changes in ionic current as molecules are driven through a nanometric pore using an applied electric field. The ionic-current change owing to a translocation event reflects the size, shape and charge of the molecule5. There are two types of nanopore: ...