Alcohols are used for
A) disinfection.
B) sterilization.
C) antisepsis.
D) both sterilization and disinfection.
E) both antisepsis and disinfection.
E
You might also like to view...
The expected outcome of an oxidase test performed to identify Neisseria menigitidis is
A. a color change of a colony from tan to black when oxidase reagent is added. B. the amplification of the oxi gene as detected on an agarose gel. C. cells colored black when stained and viewed under the microscope. D. a zone of clearing surrounding colonies on chocolate agar. E. the appearance of bubbles when cells are mixed with hydrogen peroxide.
The plant kingdom contains all of the descendants of the common ancestor of its members. This kingdom therefore would be called a(n)
A) stoma. B) sporophyte. C) angiosperm. D) node. E) clade.
Any blastomere removed from an eight-cell mammalian embryo can develop into a normal late-stage embryo. This finding supports the idea that
A) only the zygote is totipotent. B) the progressive restriction of potency hypothesis applies. C) the first cleavage event must be transverse to the animal-vegetal axis of the zygote. D) cell divisions producing the earliest blastomeres do not result in an asymmetrical distribution of cytoplasmic determinants. E) there is no organizer in mammals.
In a breeding experiment with yellow and green true-breeding parents, Mendel took yellow seeds from his F2 generation, planted them, and self-pollinated the flowers to produce an F3 generation. He saw that some produced all yellow seeds, and some
produced a mix of yellow and green seeds. How can these results be explained? What will be an ideal response?