Palivizumab is used to treat respiratory syncytial virus disease. This antiviral drug is a(n)
A) toxoid.
B) monoclonal antibody.
C) vaccine.
D) immunosuppressive.
E) nucleoside analog.
B
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Which of the primary taste sensations is
triggered by alkaloids?
a. sweet b. salty c. sour d. bitter e. umami
Which of the following is not a main goal of inflammation?
A) produce localized heat and swelling in an effort to denature key bacterial proteins B) limit the spread of infectious agents C) recruit immune defenses to the injured tissue D) transport chemical factors essential for tissue recovery E) deliver oxygen and nutrients
Which of the following events occurs first during meiosis?
A. homologous chromosomes separate and are pulled to opposite poles of the cell B. sister chromatids separate and are pulled to opposite poles of the cell C. chromosomes decondense D. synapsis of homologous chromosomes E. pairs of homologous chromosomes align along the equatorial plate
Charles Yanofsky helped decipher the genetic code working with the ________ biosynthesis genes in ________.
A) leucine; Salmonella enteritidis B) phenylalanine; Klebsiella pneumoniae C) tryptophan; Escherichia coli D) glycine; Serratia marcescens