Jonah observes the sun through a special filtered telescope during a total solar eclipse. he sees a red ring and a faint white ring that looks like a crown. which parts of the sun is he seeing? use what you know about word origins to answer the question.

How are fossils used to date organisms?

Which of the following statements is true regarding a basic amino acid? a.) the hydrophilic r group of a basic amino acid will be located on the interior of a protein b.) the positively charged r group of a basic amino acid could bind dna c.) the r group of a basic amino acid would only be able to form covalent bonds with other molecules d.) a basic amino acid would be considered both polar and hydrophobic e.) all of the above

Which of the following would be most useful for detecting the brain areas that are most active as a person performs mathematical calculations? a. a brain lesionb. an interneuronc. a pet scand. a hemispherectomy