What type of mechanism controls body

temperature?



a. positive feedback
b. inhibition
c. negative feedback
d. cyclical feedback
e. none of these


C

Biology & Microbiology

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_____.

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Chorionic villus sampling differs from amniocentesis in that for CVS

A) cells must first be cultured. B) biochemical tests can be performed on the sample. C) a karyotype is prepared directly from collected cells. D) cells do not directly descend from the fertilized ovum.

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The lining of the gastrovascular cavity in cnidarians will function in both ________

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Agar is used as a solidifying agent in microbiological media since few bacteria can degrade it

Indicate whether the statement is true or false

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