You notice a sign in a public restroom that states "Sanitized for your safety." This means
A. sterilizing chemicals have been used in cleaning.
B. antiseptics have been used to clean the area.
C. degerming methods only have been used to clean the restroom.
D. methods of disinfection that meet minimum standards of microbial removal have been used.
E. only "organic" chemicals were used in the cleaning process to reduce microbial numbers.
Answer: D
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Which of the following cell types most accurately describes this cell? A) plasma cell B) thyroid cell C) memory cell D) macrophage
Horizontal gene transfer is less prevalent in eukaryotic species because
A. of the presence of organelles in the cells of eukaryotic species. B. of the multicellularity in eukaryotic species, which is laking in prokaryotic species. C. eukaryotic species reproduce by sexual reproduction. D. of multicellularity and sexual reproduction. E. of the presence of organelles and multicellularity.
Meningococcal meningitis is typically acquired through the
A. genitourinary tract. B. respiratory tract. C. gastrointestinal tract. D. skin.
If you study how two species of finches compete for food, you are trying to answer a question about ________
A) community ecology B) population ecology C) organismal ecology D) ecosystems ecology