A typical AA battery has a potential of 1.5V. One can think of the potential in a neuron as having similarities to that of a battery.If you were to compare the resting potential of a neuron to a battery, which way is the battery oriented?
A. Positive terminal pointing toward the axon, negative terminal toward the dendrite
B. Both terminals inside the cell soma
C. Positive terminal pointing toward the dendrite, negative terminal toward the axon
D. Positive terminal inside of the cell, and negative terminal outside
E. Positive terminal outside of the cell, and negative terminal inside
Answer: E
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The prevalence rate of tuberculosis in one particular county in Texas is 7/1000 people, while the incidence rate for 2011 is 2/1000 people. Analyze this data and summarize the situation.
A. Incidence rate should really be higher than prevalence rate because it includes all new cases for the year. B. The data were collected incorrectly because the two values should match. C. Prevalence rate is higher than incidence rate because the number of people still alive with tuberculosis is higher because of better treatments. D. Prevalence rate and incidence rate cannot be determined for the same disease.
The swinging of a tennis racket is a brief, high-intensity activity that requires the contraction of ________ fibers
Fill in the blank(s) with correct word
During which growth phase are bacteria more susceptible to antimicrobial drugs?
A) lag phase B) log phase C) stationary phase D) death phase E) The susceptibility is the same for all phases.
Indicate which of the following statements are true regarding an intron. (Select all that apply)
a. an intron is a portion of mRNA that undergoes translation in the cytoplasm b. an intron is a portion of mRNA that must be removed before translation c. an intron is a portion of mRNA that does not code for protein