Differences in eukaryotic, bacterial, and archaeal transcription are attributable to both polymerase differences and organization of protein-coding genes.
Answer the following statement true (T) or false (F)
True
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Many lakes in the United States are suffering from periodic algae blooms, which can be thought of as an infection of the lake. Although the algae are naturally-occurring in the lake, when adjacent farm fields are over-fertilized with diammonium phosphate, the run-off deposits these nutrients in the lake, allowing the algae to grow without limit. Which of the following statements is incorrect regarding the overgrowth of algae?
A. Lakes have sufficient micronutrients for algae to grow. B. The nitrogen in the fertilizer is in the ammonium form, the preferred nitrogen source of most microbes. C. The phosphorus in the fertilizer is in the phosphate form, the preferred phosphorus source of most microbes. D. The algae are heterotrophs. E. The carbon source for these algae is not limiting in lakes.
Equilibrium is sensed by
a. chemoreceptors. b. mechanoreceptors. c. photoreceptors. d. thermoreceptors. e. none of these
________ is the scientific study of the relationship between organisms and their environment
Fill in the blank(s) with correct word
Who was the first person to describe living single cells?
A) Leeuwenhoek B) Hooke C) Schleiden D) Schwann E) Virchow