BIOS 242 Chamberlain Revision Exam Questions Fully Solved.

Which of the following is true? A. Metabolism only involves breaking down larger molecules. - Answer Amphibolic rxns can proceed toward anabolism or catabolism. Which of the following is associated with the greatest risks to human health? - Answer Ethylene oxide. The presence of mycolic acid in the cell wall characterizes? - Answer Myobacteria. Which of the following is a fungis? - Answer Saccharomyces. Which microbe is correctly paired with its BSL level? - Answer MRSA; BSL 2. Which are the stages of bacterial growth in order? - Answer A. Lag, log, stationary, death. Which of the following are halogens? - Answer tincture of bromine, iodophor, betadine, all of these. Activation energy _____________. - Answer is lowered by the actions of enzymes. Insects that carry pathogenic microbes, but do not serve as hosts are considered ______________. - Answer Mechanical vectors. Which of the following is true of virions? A. They may include an envelope. B. They always include nucleic acid. C. They always include a protein capsid. D. All the above. - Answer They may include an envelope.