The environment of human skin requires an adaptation for microbes that can tolerate moderately ________ conditions.

A. halophilic
B. alkaline
C. anaerobic
D. thermophilic
E. psychrophilic


Answer: A

Biology & Microbiology

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Digestive secretions with a pH of 2 are characteristic of the _____

A) small intestine B) stomach C) pancreas D) liver E) mouth

Biology & Microbiology

________ carbon atoms allow for the formation of ________, which are mirror images of each other.

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

Biology & Microbiology

Even in the absence of transpiration, some water can move into the roots and partially up the xylem columns. This phenomenon is due to  

A.  flooding. B.  stomatal opening. C.  root pressure. D.  proton pumps. E.  phloem translocation.

Biology & Microbiology

The restriction enzyme EcoRI recognizes the sequence GAATTC; therefore, it will ____ whenever it encounters this

sequence.

a. paste the DNA molecule b. cut the DNA molecule

c. break the hydrogen bonds holding the two DNA strands together d. replicate the DNA e. transcribe the DNA

Biology & Microbiology