Explain how botulinum toxin alters the normal sequence of events at the neuromuscular junction to result in paralysis. be sure to include the vesicular transport process that is inhibited.

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Ture or false evidence for evolution includes millions of fossils

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel