Question

1. which of the following individuals did not contribute to the establishment of cell theory? (0.5pts)

☐ girolamo
☐ fracastoro
☐ matthias
☐ schleiden
☐ robert remak
☐ robert hooke

1. whose proposal of the endosymbiotic theory of mitochondrial and chloroplast origin was ultimately accepted by the greater scientific community? (0.5pts)

☐ rudolf virchow
☐ ignaz semmelweis
☐ lynn margulis
☐ theodor schwann

1. which of the following developed a set of postulates for determining whether a particular disease is caused by a particular pathogen?

☐ john snow
☐ robert
☐ koch
☐

Explanation:

1. Girolamo Fracastoro proposed ideas about germ theory, not cell theory. The other figures contributed to cell theory: Schleiden studied plant cells, Remak contributed to cell division understanding, Hooke coined the term "cell".
2. Lynn Margulis developed and championed the endosymbiotic theory, which was ultimately accepted by the scientific community. The other figures worked in cell theory or antiseptic practices, not endosymbiosis.
3. Robert Koch developed Koch's postulates, which are used to determine if a specific pathogen causes a disease. John Snow studied cholera transmission but did not create these postulates.

Answer:

1. ▢ Girolamo Fracastoro
2. ▢ Lynn Margulis
3. ▢ Robert Koch