The routine laboratory procedure used to classify the bacterial world into two major groups is called the _____.

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


Ans: Gram stain

Biology & Microbiology

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What is the number of chromosomes found in

an oak tree?

a. 2 b. 4 c. 8 d. 12 e. 24

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Thomas Malthus proposed that ____

a. the food supply increases faster than the population b. the population increases faster than the food supply c. the food supply and population increase at the same rate d. artificial selection is the key to evolution e. natural selection is the key to evolution

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The thin, circular layers of compact bone are called

a. osteoblasts. b. epiphyseal plates. c. osteoclasts. d. osteons. e. spicules.

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Which of the following would require a channel to pass through the membrane?

a. alcohol b. glucose c. oxygen d. fatty acid

Biology & Microbiology