Which pathway represents the flow of electrons during photosynthesis?
a. h2o > photosystem i > photosystem ii
b. o2 > adp > calvin cycle
c. photosystem i > calvin cycle > nadp+
d. h2o > nadp+ > calvin cycle

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

Dna and rna share a number of similarities, but they also differ in certain aspects of their structure. wich nitrogenous base is found in rna but is not found in dna

They live on every continent except antarctica