The growth pattern in Figure 20.1 is characteristic of which organism?
A. Klebsiella
B. Proteus
C. Pseudomonas
D. Salmonella
E. Shigella
Answer: B
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A marine fish's kidney plays little role in nitrogenous-waste removal
Indicate whether the statement is true or false.
The effect of nitrification is to:
a. convert ammonia into nitrates b. reduce nitrates to nitrites c. convert nitrogenous compounds into free nitrogen d. mimic nitrogen fixation e. convert nitrates to organic nitrogen
Which of the following is a decrease in blood supply to the tissue such that it does not meet the metabolic demands of the tissue?
A) hypoxia B) active hyperemia C) myogenic response D) ischemia E) reactive hyperemia
During translation the genetic code is read from mRNA in nucleotide triplets called __________
a. codons b. open reading frame c. mRNA d. anticodons e. unidentified reading frame