Endospore formation is considered to be a survival advantage for prokaryotes capable of production. However, why can endospore formation be considered a disadvantage in regards to human disease?
A) The time required for activation, germination, and outgrowth has an effect on the population density.
B) There are no disadvantages to endospore formation.
C) The resistance to harsh conditions makes it difficult to destroy if they are pathogenic.
D) Endospore formation triggers a stress response in bacteria and causes mutations in the DNA.
Answer: C) The resistance to harsh conditions makes it difficult to destroy if they are pathogenic.
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Animal cells are permeable to water and urea but NOT to sucrose. The inside of a cell contains 1 M sucrose and 1 M urea and the outside 1 M sucrose and 2 M urea. The solution inside with respect to outside the cell is
A. hypotonic. B. turgid. C. isotonic. D. saturated. E. hypertonic.
If you were to evaluate these claims using the scientific method, what would be the first step?
A) Conduct an experiment. B) Gather testimonials. C) Develop a hypothesis. D) Evaluate the results.
List three examples of animal cognition and give details explaining each.
What will be an ideal response?