Peptidoglycan is found in the cell walls of

A) plants. B) bacteria. C) archaea. D) fungi. E) viruses.


B

Biology & Microbiology

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Four of the five answers listed below are

characteristics of cnidarians. Select the EXCEPTION.

a. larvae b. polyp c. gill slits d. medusa e. nematocysts

Biology & Microbiology

The mutation that causes the lighter skin color of all people of European descent was the result of a ____ in the gene

for a melanin transport protein.

a. base-pair substitution b. insertion c. deletion d. whole chromosome duplication e. multiple gene mutations involving several mechanisms

Biology & Microbiology

A reason an automobile engine is not considered to be living is that it is not able to 

A. utilize energy. B. change its activities. C. make copies of itself. D. utilize chemical reactions.

Biology & Microbiology

Which type of arboviral encephalitis was introduced to the United States in 1999 and is maintained in a bird-mosquito-bird cycle?

a) Eastern equine encephalitis b) Japanese encephalitis c) West Nile virus d) California encephalitis

Biology & Microbiology