What is the name of the tubules that make up the excretory systems used by most annelids and adult mollusks?
a. hepatic tubules
b. nephrons
c. metanephridia
d. Malpighian tubules
Ans: c. metanephridia
Biology & Microbiology
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Visible light comprises wavelengths that vary
between ____ nanometers.
a. 380 and 750 b. 350 and 750 c. 390 and 780 d. 340 and 740 e. 320 and 740
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________ is the process of RNA-mediated inhibition of gene expression
Fill in the blank with correct word.
Biology & Microbiology
The cdc25 phosphatase removes a phosphate from the CDK kinase yielding highly active MPF.
a. true b. false
Biology & Microbiology