Which is true of archaeans?

a. they are extremophiles

b. they are the cause of many human diseases.

c. structurally, they represent an intermediate form between bacteria cells and eukaryotic cells.

d. they have undergone horizontal gene

e. they include earth's first aerobic photosynthesizers

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.

What have scientists learned about plant behavior by studying the dodder plant