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On exposure to desiccation, which of the following bacteria are least likely to experience rapid water loss?
Isolated rods
Rods in chain
Cocci in chain
Cocci in clusters
Answers (1)
Bacteria that form clusters of cocci (spherical cells) are generally not considered to have specific adaptations for desiccation tolerance. Therefore, they are more likely to experience rapid water loss on exposure to desiccation compared to other bacteria that possess specialized mechanisms for water retention and survival in dry conditions.
Some bacteria, such as endospore-forming bacteria as mentioned earlier, have developed strategies to withstand desiccation. However, the information provided about cocci forming clusters does not indicate any particular adaptation for desiccation resistance.
It's important to note that bacteria have diverse characteristics and adaptations, and not all bacteria within a particular shape or arrangement will have the same capabilities or responses to desiccation. Further information on the specific genus or species of the cocci in clusters would be needed to make a more accurate assessment of their desiccation tolerance.
Hence, the correct answer is option 4.
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