If the amino acid sequences in homologous proteins of two organisms are similar, what can you conclude about the dna of the two organisms?

They are very similar organisms. They are more related to each other. They have a very close common ancestor. 

Ithink a saturated phospholipid

Neurotransmitters are messengers responsible for communication between neurons. they are released from synaptic vesicles and are received by receptors.  the communication is referred to as neurotransmission. the following statement is true about neurotransmitters: a. they're stored in synaptic vesicles in the axon.