In a field experiment, an ecologist measures the effects of nitrogen on productivity, plotting data for nitrogen on the x-axis and productivity on the y-axis. In this experiment, the dependent variable is ________
Fill in the blank(s) with correct word
productivity
Biology & Microbiology
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To what level of organization does a protein belong?
A. Organ system level B. cellular level C. chemical level D. tissue level E. organ level
Biology & Microbiology
Movement of charged molecules in an electrical field, which is used to separate nucleic acid fragments for recombinant DNA work, is called
A. electrophoresis. B. iontophoresis. C. plasmaphoresis. D. nucleophoresis.
Biology & Microbiology
The complement pathway that is activated by mannan-binding lectins is the
A. classical pathway. B. alternative pathway. C. C3 pathway. D. lectin pathway.
Biology & Microbiology
Genetic variation can originate both from the production of new alleles and from the arrangement of existing alleles
a. True b. False
Biology & Microbiology