Keller et al. (2013) Study Design

What will be an ideal response?


#1: 4 days of vancomycin colon wash and fecal donation
#2: 4 days of vancomycin, no wash or donation
#3: 4 days of vancomycin, colon wash, but no donation

Biology & Microbiology

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Sound amplification happens in the middle ear because of ________

A) size difference between the eardrum and oval window B) lever action of the ossicles C) resonance in the efferent outer hair cells D) stapedial reflex

Biology & Microbiology

Describe how microarrays have led to improved diagnosis of two types of diffuse large B-cell lymphomas

What will be an ideal response?

Biology & Microbiology

What is one of the advantages of producing human growth hormone (HGH) from a cloned gene in a bacterial cell?

A) As the protein is introduced therapeutically, it transfers the HGH gene as well. B) Larger quantities are available. C) The bacterial protein has a different amino acid sequence that is more effective. D) The product can be administered by infecting a person with the recombinant bacteria. E) A gene cloned from mice, rather than from humans, can be used.

Biology & Microbiology

During DNA replication Okazaki fragments are linked together by________, an enzyme that creates phosphodiester bonds between nicked fragments of DNA

A) exopolymerase B) DNA gyrase C) topoisomerase D) DNA ligase

Biology & Microbiology