To study whether an olfactory receptor neuron is activated by pyradine a researcher employs an imaging technique that utilizes a chemical indicator that glows green when exposed to ultraviolet light. if a decrease in the intensity of glow observed corresponds to an increase in ionic concentration in the olfactory receptor neuron in response to an odorant, which ion would this indicator chelate? choose 1 a. potassiumb. sodiumc. chlorided. calcium

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria

Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen