The critical enzymatic virulence factor that helps allow Helicobacter pylori survive in the harsh acidic environment of the stomach is ________, which drives the local pH up.
What will be an ideal response?
urease, urease enzyme
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The process of synthesizing simple sugars using sunlight as an energy source is referred to as
Fill in the blank with the appropriate word.
Stimulating the vagus nerve would cause
A. a release of epinephrine. B. blood volume to increase. C. increased firing of the SA and AV nodes D. blood pressure to rise. E. heart rate to decrease.
During the third phase "3", the population
growth slows and then levels off because
a. essential resources become scarce. b. the carrying capacity has been reached. c. competition for food becomes increasingly important. d. predators eat fawns as they are born. e. all of these occur except "predators eat fawns as they are born."
Genetic condition caused by an abnormal number of nucleotide repeats; named after the appearance, and not physical characteristics, of the X chromosome.
What will be an ideal response?