The phrase "a pair of strands" is correct and usable in written English.
It can be used when referring to two individual strands of material, such as hair, thread, or wire, often in contexts related to crafting, textiles, or biology.
Example: "She carefully twisted a pair of strands of yarn together to create a thicker thread for her knitting project."
Alternatives: "two strands" or "a couple of strands".
They figured out that DNA was a pair of strands twisted around each other.
One of the great lost innovators of the late 1960s, whose work always seems on the cusp of rediscovery, is Bill Bollinger, whose "Rope Piece" from 1968 consists of a pair of strands of hemp bolted to the floor and ceiling, stretched to the extreme and clamped together: maximum tension expressed with minimal means.
TmPurQ contains a classic triad glutaminase fold; it consists of a nine stranded mixed β-sheet flanked by four helices, a pair of strands, and four 310 helices.
Weight figures are usually estimates, but in 1937 a pair of stranded male sperm whales were measured intact in the Netherlands: one was 16 metres (52.5 feet) long and weighed 39 tons, and the other was 18 metres (59 feet) and 53 tons.
He was placed in command of a detachment of the High Seas Fleet, composed of two battlecruisers, eleven battleships, four light cruisers, and twelve torpedo boats, sent to Denmark to retrieve a pair of stranded U-boats in November 1916.
XerD generates Holliday junctions by creating a pair of strand exchanges and XerC resolves this structure through the reaction between directly repeated dif sites in circular DNA [ 60].
Some barrel superfamilies on which we tested have only strand pairs of interleave 1 or 2, excepting a pair of beta strands that close the barrel and thus have an interleave equivalent to the number of strands in the barrel.
A pair of fibrous strands called chalazae anchor the yolk inside the egg, and Geary figured that sundering them would allow the yolk to float to the center.
The elegant, tantalizing Japanese American neo-noir "Man From Reno," set in the Bay Area and directed with sincere genre artistry by Dave Boyle, threads together a pair of narrative strands appealing to any mystery buff: the percolating thrill of amateur sleuthing and the cool, deductive logic of professional casework.
Entry 4 shows a β-hairpin found in the Rap30/Rap74 complex of human transcription initiation factor IIF. Entry 5 shows a pair of nonhairpin strands from the HTH-type transcriptional regulator LRPC, as an example of a complex in which one chain possesses multiple high affinity strands without that do not participate in a hairpin relationship.
In this structure, each molecule forms a pair of β-strands stacked via specific side chain interactions, a model that has also been proposed for the amyloid fold of the Aβ1 40 peptide [166], as well as a peptide fragment from β2m [167].
