What type of receptor is described in the following paragraph? An electrical signal may be triggered by the diffusion of ions. This signal moves down the receiving cell. The neurotransmitter molecules that are released between two nerve cells bind to which of the following channels?

Intracellular receptor
Receptor tyrosine kinase
G protein-coupled receptor
Ligand-gated ion channel

Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error? the object is an asteroid, not a dwarf planet.the object is a moon, not a dwarf planet.the object is not a dwarf planet because it travels with other objects.the object is not a dwarf planet because it is round.

Which of the following best explains the changes in biodiversity shown in the graph?