Of the three organisms Escherichia coli Bacillus anthracis a

Of the three organisms Escherichia coli, Bacillus anthracis, and Micrococcus luteus, _____ would be likely to stain improperly due to the culture being old. This occurs because of the degradation of_____ (compound) by enzymes called _____ which accumulate with aging. In colonies of the spore forming genus Clostridium, spores would be more likely to form in the _____ of the colony. Bacteria in the genus _____, when grown on solid media containing cysteine and iron, would have colonies that may be black in the _____and white in the_____.

Solution

Cell wall

Peptidoglycan

Lysozyme or autocatalytic enzymes

Center or terminal of the colony

Legionella genus

Thiosulfate citrate bile salts sucrose agar

Buffered charcoal yeast extract agar