Which of the following is the correct sequence of events in synaptic transmission? 1. Vesicles filled with neurotransmitters are released from
axon terminal
2. Calcium influx at axon terminal
3. New Action Potential
starts
4. Neurotransmitter diffuses across synapse
5. Neurotransmitter
bonds to receptor gate

-2,3,1,4,5
-3,1,2,5,4
-2,1,4,5,3
-3,1,2,4,5

Read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

What is the correct trna sequence that would match the following mrna sequence.gcgaua