Slow weathering of sedimentary rock makes "new" ________ available in the exchange pool found in soil
A) phosphorus
B) nitrogen
C) high-energy carbohydrates
D) PCBs
E) oxygen
A
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Ribozymes
a. are RNA catalysts. b. are proteins that catalyze RNA synthesis. c. are RNA molecules that slow the rate of protein synthesis. d. are the products of RNA degradation. e. are amino acids that catalyze RNA synthesis
Which of the following organisms causes urinary tract infections?
A. Gardnerella vaginalis B. Group B Streptococcus C. Treponema pallidum D. Schistosoma haematobium E. Proteus mirabilis
________ Manual of Systematic Bacteriology is a manual of bacterial descriptions and classifications.
Fill in the blank(s) with the appropriate word(s).
Photosynthetic aquatic microorganisms, such as some bacteria and protists, are known as ________
Fill in the blank(s) with correct word