How did watson and crick determine base pairing? a. they analyzed the work of phoebus levene. b. they used chargaff's rule to fit the bases together. c. they broke the hydrogen bond. d. they observed the pairing under a microscope.

D. They observed the pairing under a microscope.

There would be one bar shorter than the bar for peaches.

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.