All of the following are consistent with the law of conservation of matter EXCEPT:
a. there is no such thing as waste.
b. matter is neither created nor destroyed but it can change form.
c. any matter that is dangerous to living things is quickly biodegraded into a harmless form.
d. one organism's waste matter is taken up by another organism and reused.
c. any matter that is dangerous to living things is quickly biodegraded into a harmless form.
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In working with a potentially new antibiotic, you are attempting to determine where in prokaryotic translation this antibiotic has its effect. You have determined thus far that it interacts with a translational factor but need to identify which one. If this antibiotic interfered with elongation, which of the following factors could be a potential site of action?
A) IF3 interaction with an aminoacyl tRNA B) EF-Tu placement of N-formylmethionine onto the ribosome C) EF-Tu interaction with an aminoacyl tRNA D) EF-Ts translocation of tRNAs from the A site to the P site E) all of the above
This scientist is considered to be the father of MICROBIOLOGY because he was the first to visualize microbes using his microscope:
c. Louis Pasteur b. Lazzaro Spallanzani c. Antoine Van Leeuwenhoeck d. Charles Darwin
Which of the following processess is carried out more efficiently by a C4 plant than by a C3 plant?
A. Light absorption B. Chemiosomtic coupling C. Photolysis D. Fixation of CO2 E. transport of sugars
The small, circular loops of DNA in prokaryotic cells that are separate from the main chromosome and may carry genes associated with antibiotic resistance are called
A) pili. B) plastids. C) cristae. D) ribosomes. E) plasmids.