Explain how an action potential and graded potential are different.

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.

The response is the basis for vaccination. primary secondary tertiary none of the above

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.