In one experiment lederberg used gal and gal– strains of e. coli. one half of a plate that contained medium with galactose as the only carbon source was inoculated with phages that came from lysed cells of the gal strain. the other half of the plate was left uninoculated. a gal- strain was then placed on the entire plate. numerous colonies appeared on the half of the plate inoculated with the phage, whereas only a few appeared on the half that was not inoculated with phage. explain what happened using appropriate terminology.

Which survival need shortage would most affect articular cartilage's ability to rebound after joint compression, and why does it have this effect? which survival need shortage would most affect articular cartilage's ability to rebound after joint compression, and why does it have this effect? nutrients, since the majority of cartilage is made out of polysaccharide glycosaminoglycans (gags). water, since it makes up to 80% of cartilage's content and cushion articular bone surfaces. normal body temperature, since higher temperatures would slow down necessary biochemical reactions. oxygen, since cartilage cells receive this gas directly from nearby blood vessels?