Interface flexibility: Scientists discover key mechanism driving molecular network formation
Covalent bonding is a widely understood phenomenon that joins the atoms of a molecule by a shared electron pair. But in ...
Nature12 年
Discovery of the Function of DNA Resulted from the Work of Multiple Scientists
Miescher named this molecule "nuclein," which was later changed ... so the next few years would be an exciting time for the discovery of DNA function.
BBC2 个月
Structure and function of deoxyribonucleic acid (DNA)
Deoxyribonucleic acid (DNA) is the information-carrying molecule found in all living organisms. In most animal, plant and fungal cells DNA is stored in the nucleus coiled up in thread-like ...
Nanowerk3 年
DNA: The Blueprint of Life
It carries the genetic instructions for the development, functioning, growth, and reproduction of all known organisms and many viruses. DNA is a complex molecule that consists of two strands coiled ...
BBC1 年
Discovering the structure of DNA
revision-guideDNA and inheritance What is DNA and how is the structure of this hereditary molecule responsible for its function? How are scientists using their knowledge of DNA to create and use ...
PBS2 年
Watson and Crick describe structure of DNA
Most people at the time thought the gene would be protein, not nucleic acid, but by the late 1940s, DNA was largely accepted as the genetic molecule. Scientists still needed to figure out this ...
Purdue University6 年
Study reveals structure of DNA packaging
The micro-droplet contains 50 billion DNA molecules that end-to-end constitute 200 miles of DNA, and each molecule gets packaged correctly into a protein shell ... The scientists say they believe ...
Nature16 天
Non-hexameric DNA helicases and translocases: mechanisms and regulation
This might serve to regulate the enzyme so that it can function as a translocase ... the hydrolysis of one molecule of ATP is coupled to movement by one base along the DNA. However, in many ...
Science Daily1 个月
Uncurling a single DNA molecule and gluing it down helps sharpen images
A team at Nagoya University experimented with ways to uncurl a DNA molecule using pressure applied to liquid flowing in a channel, with the pressure flow providing shear force that uncurled the ...
The Scientist3 个月
DNA Polymerase Works in Short Bursts Rather than One Long Stretch
The researchers observed that, on average, a single DNA polymerase molecule remained bound to the nucleic acid at the junction for ... This exchange takes less energy than the same protein changing ...
Phys.org1 个月
Uncurling a single DNA molecule and gluing it down helps sharpen images
Researchers have previously tried sticking down one end of a DNA molecule to stretch it out, but found that the thermal fluctuations could still cause movement and blurring. "Stretching DNA refers ...