If you were searching for anaerobic bacteria, you

would NOT look for them in
a. the guts of farm animals.
b. swamps.
c. mountain streams.
d. sediments of lakes and oceans.
e. canned goods.


Answer: c

Biology & Microbiology

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The Earth's surface releases __________ that is absorbed by the atmosphere, stabilizing or raising atmospheric temperature.

A. gamma radiation B. ultraviolet radiation C. near-ultraviolet radiation D. x-rays E. x-ray radiation

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DNA replication is said to be semiconservative because ____

a. the number of nucleotides within genes remains constant b. half of the DNA in a cell comes from one parent and the other half from the other parent. c. the same process of DNA replication is used by all organisms d. the total amount of DNA within an individual remains the same e. each new DNA molecule is composed of one old strand and one new strand

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Which of the following statements about hair cells is NOT true?  

A.  They are found in the mammalian ear. B.  They are found in the fish lateral line system. C.  They can be repaired if they rupture. D.  Bending of the cells triggers ion flow across the cell membrane. E.  Their structure includes stereocilia and a kinocilium.

Biology & Microbiology

Individuals of a __________ share a gene pool. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology