Eight bones make up the __________ , which encloses and protects the brain.

Fill in the blank(s) with the appropriate word(s).


cranium

Biology & Microbiology

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The type of movement of molecules that is specific and passive, and which becomes saturated if all of the protein carriers are in use is  

A.  exocytosis. B.  facilitated diffusion. C.  active transport. D.  endocytosis. E.  osmosis.

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Based on the function of mitochondria, what substance is able to pass through the outer membrane of the mitochondria easily?

A. Oxygen B. Sugars C. Amino acids D. Potassium ions

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How do protists provide evidence for the step-wise evolution of mitosis?

A. Only meiosis occurs in protists. B. In some protists the nuclear membrane fails to break down during mitosis. C. Mitosis has not been observed in any protist species. D. Protists use conjugation instead of mitosis.

Biology & Microbiology

Alcohol prevents dehydration by increasing the production of ADH

Indicate whether the statement is true or false

Biology & Microbiology