What germicidal category has demonstrated better effectiveness as liquid disinfectants?
A. Hydrogen peroxide
B. Aldehydes
C. Hypochlorites
D. Ethylene oxide
A. Hydrogen peroxide
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During weeks 5 - 6 which major structural feature is present on the developing embryo?
a. Stubby tail b. Pharyngeal arches c. Lower limb buds d. Umbilical cord e. Distinct fingers and toes
The main point of entry of water into the blood of freshwater fishes is through the:a
skin. b. gills. c. tail. d. anus. e. eyes.
Plant cells ________
A) do not need chloroplasts because their mitochondria meet their energy needs B) have chloroplasts and mitochondria C) use carbon dioxide but do not use oxygen D) do not need mitochondria because their chloroplasts meet their energy needs
Iodine is attracted to the prescence of ______. If it has been catabolized, the organism will show a _____ after iodine is added.
Fill in the blank(s) with the appropriate word(s).