What is true about the replication forks formed at each replication origin? Group of answer choices At each fork, the replication machine opens up the double helix and uses each DNA strand to make new daughter strands. Replication forks are X shaped. One replication fork is formed at each replication origin. The two forks formed at each replication origin move in the same direction, working together to unzip the DNA double helix and replicating the DNA as they go. DNA replication in bacteria and eukaryotes is unidirectional, In that DNA is replicated in only one direction.

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

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bc blah

explanation:

bc blah

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves