How does the structure of a neuron reflect the function of transmitting messages, or electrical signals? a) neurons have a cell body that contains a nucleus. b) neurons have a phospholipid bilayer. c) neurons are long and branched. d) dendrites are located at both ends of a neuron.

What is used as a template during replication? a- mrna b- trna c- rrna d- dna

Lumps of iron and manganese ore called can be harvested from the seafloor near underwater volcanoes.

*a mastectomy is the surgical removal of one or both breasts, either partially of fully. an oophorectomy is the surgical removal of an ovary or ovaries.analyze a woman’s risk of dying of cancer if she carries a mutated brc1 gene.how do heredity and inheritance relate to the data presented in these charts? what data would you need to see in order to draw conclusions about the effectiveness of preventive surgeries? what does the age at diagnosis tell you about the mutation? explain how breast-cancer genes are still present in the population, despite cancer-related surgeries and deaths.