Using a host defective in proteases is likely to be necessary when engineering
A) a complete metabolic pathway requiring several different enzymes.
B) overproducing proteins.
C) production of a small protein.
D) transgenic animals with immune systems.
Answer: C
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What is a sensory receptor?
A. a nerve cell specialized to detect particular stimuli B. a membrane protein the binds to a sensory ligand C. the dendritic field of a sensory neuron D. a specialized tissue like the eye
The vomeronasal organ detects:
a. pressure b. light c. pheromones d. pain e. sound
Multiple sclerosis is a result of
A) demyelination of nerve cells. B) excess myelin on nerve cells. C) a decrease in postsynaptic receptors. D) blocking the nodes of Ranvier. E) proteolytic cleavage of presynaptic SNARE proteins.
All of the following could be reasons why antimicrobic treatment fails except
A) A mixed infection where some of the pathogens are drug resistant. B) A disk diffusion test showing pathogen sensitivity to the antimicrobic. C) The inability of the drug to diffuse into the infected body compartment. D) Not completing the full course of treatment. E) Diminished gastrointestinal absorption due to an underlying condition or age.