Answer the question using the accompanying figure.Which number identifies the structure that transmits auditory

signals to the brain?



a. 2
b. 6
c. 7
d. 8
e. 9


ANSWER: c

Biology & Microbiology

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Which forms of nitrogen are readily usable by plants?

a. NH4 + and NO3 ? b. NH4 + and NO2 ? c. N2 and NH3 d. NH4 and NH3 e. NO3 ? and NO4 ?

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What occurs when a photosynthetic protist is taken up by a heterotrophic protist and evolves into a chloroplast?

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The viral chromosome of a bacteriophage can never integrate into the host bacterium's chromosome

Indicate whether the statement is true or false

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