The root apical meristem is covered by a _________ that protects the meristem as it grows through the soil
A. root hair
B. root cap
C. root cortex
D. root endodermis
E. root pericycle
B
Biology & Microbiology
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The characteristics of a pathogen that determine its virulence include which of the following?
A. Infectivity B. Invasiveness C. Pathogenicity D. All of the choices are correct.
Biology & Microbiology
Which area is best known for its large effect of hydroperiod?
A) bottomlands B) prairie potholes C) fens D) bogs
Biology & Microbiology
Which of the following is a symptom of brucellosis?
A) gastroenteritis B) relapsing fever C) undulant fever D) pneumonia E) jaundice
Biology & Microbiology
During the 1970s, ________ pioneered the use of SSU rRNA gene sequencing to be used for distinguishing among taxa
a. Carl Linnaeus b. Carl Woese c. David Bergey d. James Watson
Biology & Microbiology