1. Wallerian DegenerationA) describes what happens to the axon when there is myelinopathyB) is a specific diseaseC) rarely occurs in response to traumatic injury to the axonD) None of the above 2. Explain in 3 sentences or less what is the difference between regeneration and denervation. 3. Explain in 2 sentences or less how a muscle fiber that lost its connection to a motor neuron could regain a connection to a motor neuron. 4. Discuss a) all the different diseases we have talked about since our first midterm

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

What enzyme is most important for dna replication and why?

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.