Antibiotics usually are not dangerous to use in treating bacterial infections because most antibiotics exploit structures and functions in bacteria that are not present in host cells.
a. true
b. false
Answer: a. true
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Radiation in the environment that contributes to radiation exposure is called ____________________ radiation
Fill in the blank(s) with correct word
Which is the correct sequence involved in the regulation of organ systems?
a. stimulus, receptor, integrator, response, effector b. stimulus, response, integrator, receptor, effector c. stimulus, receptor, integrator, effector, response d. stimulus, integrator, receptor, effector, response e. stimulus, effector, integrator, receptor, response
Which type of molecule is most likely to defuse across the plasma membrane?
a. small and lipid soluble b. small and water soluble c. large and lipid soluble d. large and water soluble
A contributing factor in sexual transmission of HPV from infected males is
a) presence of the virus in semen. b) open-sore penile lesions. c) flat and inapparent penile lesions. d) isolation of lesions to anal region.