Which of the following statements does NOT describe a function of the cell walls of bacteria?
A. They avoid disintegration in water with low concentrations of salt.
B. They protect against other bacteria.
C. They protect against viruses.
D. They maintain cell shape.
E. They prevent horizontal gene transfer.
Answer: E
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You work for a pharmaceutical company that designs small RNAs, used to control expression of disease genes . The primary focus area of your research should be
A. transcriptional repression. B. transcriptional activation. C. translational repression. D. translational activation. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about small RNAs? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which of the following are malaria vaccines currently in development?
A) synthetic peptide vaccines B) recombinant particle vaccines C) DNA vaccines D) synthetic peptide, recombinant particle and DNA vaccines
Actively transcribed regions of eukaryotic chromatin have a diameter of approximately:
A. 10 microns B. 2 nanometers C. 30 nanometers D. 1400 nanometers E. 10 nanometers
Chlamydia trachomatis is the most prevalent single cause of blindness resulting from an infectious agent.
Answer the following statement true (T) or false (F)