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Chapters 27-31

QuestionAnswer
Mycoplasmas are bacteria that lack cell walls. On the basis of this structural feature, what is true about mycoplasmas? They are gram-negative.
In a bacterium that possesses antibiotic resistance and the potential to persist through very adverse conditions, such as freezing, drying, or high temperatures, DNA should be located within, or be part of, which structures? Nucleoid region, endospore and plasmids.
Which two structures play direct roles in permitting bacteria to adhere to each other, or to other surfaces? Capsules and fimbriae.
Prokaryotic ribosomes differ from those present in eukaryotic cytosol. Because of this, which of the following is correct? Some antibiotics can block protein synthesis in bacteria without effects in the eukaryotic host.
Which statement about the genomes of prokaryotes is correct? Prokaryotic chromosomes are sometimes called plasmids.
Prokaryotes' essential genetic information is located in the? Plasmids
If this bacterium readily performs conjugation involving a copy of this plasmid, then the result should be The rapid spread of tetracycline resistance from this bacterium.
What statement about prokaryotes is correct? They divide by binary fission, without mitosis or meiosis.
a prokaryote that obtains both energy and carbon as it decomposes dead organisms autotroph, phototroph and chemotroph
an organism that relies on photons to excite electrons within its membranes phototroph
In general, what is the primary ecological role of prokaryotes? breaking down organic matter
Broad-spectrum antibiotics inhibit the growth of most intestinal bacteria. Consequently, assuming that nothing is done to counter the reduction of intestinal bacteria, a hospital patient who is receiving broad-spectrum antibiotics is most likely to become deficient in certain vitamins and nutrients
genetic variation in bacterial populations cannot result from? meiosis
Plantlike photosynthesis that releases O2 occurs in? cyanobacteria
Created by: heimbach.brandi
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