Wastewater treatment decreases the amount of
A. biodegradable carbon.
B. ammonia and nitrate.
C. phosphate.
D. pathogens.
E. All of the choices are correct.
E. All of the choices are correct.
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All of the following are evidence of continental drift except:
a. distribution of earthquakes. b. age of rocks from the sea floor. c. reefs. d. analysis of core samples. e. paleomagnetism.
The two polynucleotide chains in a DNA molecule are attached to each other by
A) covalent bonds between carbon atoms. B) covalent bonds between phosphates and sugars. C) peptide bonds between amino acids. D) hydrogen bonds between bases. E) ionic bonds between "R" groups in amino acids.
The fluorescent tag likely became incorporated into which of the following organelles during the video?
A) mitochondria B) ribosomes C) endoplasmic reticulum D) peroxisomes
A (bacteriocidial/bacteriostatic/minimum) concentration of a drug is one at which microbes survive but are not able to grow and reproduce
What will be an ideal response?