"on a strand" is a grammatically correct phrase and can be used in written English.
It typically refers to something being situated or located on a stretch of land along a body of water, such as a beach or riverbank. Example: The sunbathers lounged on a strand, soaking up the warm rays and listening to the soothing sound of waves crashing against the shore.
There can be more than one crossover on a strand.
SEX -- M. J. and Peter/Spidey get in one good kiss with Spider-Man hanging upside down on a strand of web.
The data are represented by pairs of molecules on a strand of DNA, and two naturally occurring enzymes act as the hardware to read, copy and manipulate the code.
RNA interference: Blocking translation If a micro-RNA binds to a matching region on a strand of messenger RNA, it will block the ribosome from reading the strand and disrupt protein production.
After all, researchers at Columbia University announced in March that they'd stored an entire computer operating system (as well as a fifty-dollar Amazon gift card) on a strand of DNA.
DNA tests on a strand of hair provide new evidence in the 1975 disappearance of the former Teamster president James R. Hoffa, placing him in a car used by a friend who has long been suspected of a role in the case, federal law enforcement officials said yesterday.
"We're going to have a strand-in in Washington," she said, with a tent simulating conditions on a stranded plane.
Some airport officials even intervene, in some cases taking the initiative to get food, including pizza deliveries, to passengers on a stranded airplane.
We have developed an amplified detection method for cocaine based on a strand-displacement polymerization reaction using aptamer recognition.
The latter was acquired during dynamic tests on a stranded steel cable, undergoing both sinusoidal and random flexural vibrations.
The method is based on the measurement of a few characteristic on-site parameters, i.e., the draughts and bending moments acting on a stranded ship.
