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.
D
Bloom's Taxonomy: Comprehension
Section: Basic Principles of Microbial Control
Learning Outcome: 9.2
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The genetic preservation of the features that increase the likelihood of survival and reproduction of some individuals within a population is called the process of
A. increasing evolutionary resistance. B. creation of new species. C. genetic drift. D. outcrossing. E. natural selection.
Where can the tympanic membrane be found?
What will be an ideal response?
Which one of the following is necessary for messenger RNA to be formed in the nucleus?
A. Ribosomes must be present. B. The cell must have an abundant supply of DNA nucleotides. C. RNA polymerase must be present and functioning. D. Chromosomes must be synapsed.
Crick and his colleagues proposed that the genetic code consists of a series of blocks of information, each corresponding to one amino acid in an encoded protein. What were these blocks of information called?
A. alleles B. codons C. polypeptides D. genes