Factors that influence the rate at which microbes are killed by antimicrobial agents include all of the following EXCEPT
A) the number of organisms present.
B) the concentration of the agent.
C) the presence of interfering organic matter.
D) None of the choices are correct.
Answer: D) None of the choices are correct.
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Examine the digestive system structures in the figure above. The agents that help emulsify fats are produced in location _____
A) 1 B) 2 C) 3 D) 8 E) 9
Which of the following correctly lists the components necessary for prokaryotic and eukaryotic transcription?
A. RNA polymerase, general transcription factors, DNA, and RNA nucleotides B. RNA polymerase, general transcription factors, DNA and DNA nucleotides C. ribosomes, general transcription factors, DNA and DNA nucleotides D. ribosomes, general transcription factors, DNA and RNA nucleotides
Biological magnification refers to __________ at the
higher trophic levels. a. the larger size of animals b. the greater number of organisms c. the greater number of species d. the accumulation of toxic pollutants in animals e. all of these
A(n) increase in the pH of the plasma causes hemoglobin to unload its oxygen. Indicate whether the statement is true or false