An intermediate level of disinfection kills mycobacteria, most viruses, and most bacteria, but not spores.
a. true
b. false
Answer: a. true
You might also like to view...
Which of the following is NOT a trait of rickettsias?
A) They are obligate intracellular parasites. B) They lack cell walls. C) They have not been cultivated in the absence of host cells. D) Both the host and parasite are required in order to be alive and metabolically active.
Nutrient recycling in the marine environment is performed by:
a. cyanobacteria. b. heterotrophic bacteria. c. autotrophic bacteria. d. purple bacteria. e. sulfur bacteria.
Photosynthetic mesophyll tissue is a type of ____
a. collenchyma b. parenchyma c. periderm d. sclerenchyma e. pericycle
A zoo is hand-rearing an endangered species of songbird. What is the best approach to help prepare the males to attract mates?
A. Expose the males to each other during the critical period to initiate development of song circuits during the critical period. B. Expose the males to female pheromones from their species to initiate development of song circuits during the critical period. C. Expose the males to a variety of birdsongs during the critical period. D. Expose the males to a mentor male bird singing their species' song during the critical period.