Tag: "fitter" at biology news
Men Estimate Men's Risks Of Common Disorders Higher Than Women Do, And Vice Versa
.... But, it also shows that males think that men are fitter
and females think women are more athletic. Profes...e was a trend towards males thinking that men were fitter
and females thinking women were. * Heart disease: 79 per cent of males and 59 per cent of females s...
MRSA use amoeba to spread, new research shows
... the amoeba act like a gymnasium; helping MRSA get fitter
and become more pathogenic". "In many ways this may reflect how this kind of pathogenic behaviour first evolved. A good example is the bacterium that causes legionnaires disease. Probably it was pathogenic long before humans and other animals arriv...
Sex: It's costly but worth it. Just ask a microbe
...he beneficial ones are brought together to produce fitter
offspring." As Xu found out, some of those mutations reduced the cost of interacting with sexual partners. The downside is that the same mutations can also reduce their mating ability. "There is some kind of balance out there between the cost and ...
Evolution follows few of the possible paths to antibiotic resistance
...few of the available mutational pathways to attain fitter
proteins, researchers at Harvard University have found in a study of a gene whose mutant form increases bacterial resistance to a widely prescribed antibiotic by a factor of roughly 100,000. Their work indicates that of 120 harrowing, five-step mutat...