  Although the terms ocean and sea are often used interchangeably, a sea is generally considered to be smaller than an ocean. One definition of ocean is: a great bod â¦ y of interconnecting salt water that covers 71 percent of the Earth's surface.
Sharpie brand permanent markers. A permanent marker or indelible marker is a type of marker pen that is used to create permanent writing on an object. In general, the ink comprises a main carrier solvent, a glyceride, a pyrrolidone, a resin and a colorant, making it waterproof.
The RFLP molecular marker is specific to a single fragment. Along with alleic RFLP markers, a molecular-weight size marker, in this case a DNA marker, is also included on an electorphoresed agarose gel. The DNA marker allows for the size of the restriction fragments to be estimated.