The nucleases (enzymes that hydrolyzes DNA) are considered virulence factor because:
A. They attack the DNA of the host cells
B. They attack the DNA of the normal bacteria flora of the host
C. They destroy the Neutrophils Extracellular Traps
D. They destroy the DNA of the neutrophils
E. They destroy the DNA of the macrophages
Ans: C. They destroy the Neutrophils Extracellular Traps
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Which part of a neuron is associated with receiving information?
A. dendrite B. cell body C. axon D. synapse
Why is color blindness more common in males? What will be an ideal response?
An increase in enzyme or substrate concentration will
A. increase the amount of reaction. B. decrease the amount of reaction. C. not change the amount of product produced. D. interfere with the reaction.
Conservationists have identified 25 areas worldwide as hotspots. This means these areas
A. have the highest numbers of invasive species worldwide. B. have serious pollution problems and are being targeted for cleanup. C. are currently being preserved. D. have high numbers of endemic species, and those numbers are increasing. E. have high numbers of endemic species, and those numbers are decreasing.