Sentences with phrase «stranded human chromosomes»

mfish, though, uses colored fluorescent tags, either singly or in combination, attached to fragments of single - stranded human chromosomes — a different color combination for each of the 24 chromosomes.

Not exact matches

Some six decades ago, it had been used in the study of human chromosomes: The chemical, which could stop mitosis in its tracks, made it easier to spy the dividing chromosomal strands in metaphase, where they could be clearly viewed under a light microscope.

Chromosome fragile sites are regions of DNA double strand breaks on human chromosomes.

James Christiansen, professor of biology at Drake University in DesMoines, is studying how telomeres, the simple, non-genetic DNAsequences that sheathe the ends of chromosomes, function in reptiles.Each time a healthy human cell divides, it loses a little bit of thetelomere, until the strands are too short to protect the chromosomes.At that point the DNA in a cell begins to break down, which triggerssenescence and death.

In today's Cell, researchers report that the DNA on the end of human and mouse chromosomes forms a loop, with the exposed end tucked back into the DNA strand.

A selection of Cragg's watercolours in which the human body is configured as a floating, twisting strand of chromosomes continues his preoccupation with uncovering the material world... Cragg's sculptures possess a strong sense of movement as though energised by physical charges or currents.

Gene Pairs... With Ellipses2002Plastic pony beads, nylon string, wood, metal, vinyl and cement35 x 25 feet (Installation at Franconia Sculpture Park) Gene Pairs... With Ellipses consists of 23 pairs of suspended bead strands representing each chromosome in the human genome.Proteins of the first 1,000 base pairs of DNA on each chromosome are strung in opaque beads, while proteins of the final 1,000 base pairs in translucent ones.