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An action potential is an “all of nothing” phenomenon because as soon as the voltage threshold of – 55mV is reached, all of the ________ channels are going to open up simultaneously 

True or false: an allele is a variant form of a gene that can be represented multiple ways

Receiving an ________ post synaptic potential makes a neuron more likely to have an action potential while an __________ post synaptic potential makes a neuron less likely to have an action potential

The subdivision of the nervous system that is most closely related to preparing the body to expend energy (fight or flight) is known as the _________ nervous system. 

How many times will the loop in the following code run? j=7while j != 0:    j -= 1    if j==4:        break    print (“j= “,j)

Which of the following statements adds a $ between all the character of the string1=”Test Time”  

BONUS QUESTION.  Worth up to 2 pointsWhy did Florida have so many cold days in the winter of this year?

The  effect that causes dark surfaces of the planet to absorb more heat is known as?

The salaries for 25 UF employees were recorded and the data appears to be approximately normally distributed.  The sample mean was $64,500 and a population standard deviation was known to be $4,500 and used to construct a 95% confidence interval on the population mean salary.  For this confidence interval from which distribution should the critical value be taken from to produce its lower and upper limits?

Consider a 90% two-sided confidence interval for the population proportion to be (0.45, 0.87).  A researcher wants to test the null hypothesis of Ho: , against the alternative Ha: