A commensal bacterium
A) does not receive any benefit from its host.
B) is beneficial to its host.
C) may also be an opportunistic pathogen.
D) isn't capable of causing disease in its host.
E) always causes disease in its host.
C
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Genetic exchange between 2 homologous chromosomes is called
A. synapsis. B. pleiotropy. C. crossing over. D. allelic exchange. E. independent assortment.
The major obstacle to the use of xenotransplants is overcome by ________________
A. series of injections that depress the immune systems of recipients B. changing genetic markers in humans to make them more receptive C. changing genetic markers in donor animals to make them more compatible with human recipients D. introducing a complement of immune system genes to both the donor animal and recipient human E. doing more than one of these
Methods of microbial control called ________ arrest the growth of microbes.
A. germicidal B. germistatic C. sanitizing D. disinfection E. antiseptic
The equilibrium constant for complex formation between molecules A and B will depend on their relative concentrations, as well as the rates at which the molecules associate and dissociate
The association rate will be larger than the dissociation rate when complex formation is favorable. The energy that drives this process is referred to as ___________. (a) dissociation energy. (b) association energy. (c) binding energy. (d) releasing energy.