they code. The structure of Each DNA molecule is a long double helix that resembles a spiral staircase and contains millions of steps. These steps of the staircase have pairs of four types of molecules called bases (nucleotides). These bases are paired as follows- the base...
(A) and guanine (G), are double-ring purine bases. The other two bases, cytosine (C) and thymine (T), are single-ring pyrimidine bases. The two strands of nucleotides are twisted into a right-handed double helix that resembles a spiral staircase. Alternating suga...
a friendly hostel near Rome’s main train station (owned by my friends Linda and Steve!). Pick up a quick coffee and cornetto on your way, because near the Vatican the bars are total rip-offs. Being a short walk to the metro is a bonus, because in 20...
When the nucleic acids are connected at their base pairs, they don’t stay straight and rigid like a ladder, how we sometimes see nucleic acids illustrated to read base sequences — instead it naturally forms a helical structure, like a spiral staircase. This is its tertiary structure, the ...
by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve whilehelixis a curve on the surface of a cylinder or cone such that its angle to a plane perpendicular to the axis is constant; the three-dimensional curve seen in a screw or a spiral staircase...
In conventional manufacturing, every increase in design complexity costs money and time. With additive manufacturing, it’s as easy to print a simple tube as it is to print, say, a double helix wrapped in a spiral staircase draped by a spider web. High-resolution printers can even make prod...
For example, James Watson, one of the scientists who discovered the DNA double helix, claims to have made a breakthrough while dreaming about climbing a spiral staircase. To be fair, he had a possible ulterior motive to downplay the influence of Rosalind Franklin, whom ...