Which of the following virulence factors directly contributes to severe inflammation?
A) coagulase
B) lipid A
C) hyaluronidase
D) kinase
E) collagenase
B
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Please study the table below. Each pair of phrases in the same row shows a valid comparison between the anterior and posterior pituitary EXCEPT: Response ANTERIOR PITUITARY POSTERIOR PITUITARY
a secretion is stimulated by hypothalamic releasing hormones site of release for hypothalamic neurohormones b hypothalamic-pituitary circulatory system long hypothalamic axons c cortex produces glucocorticoids medulla produces epinephrine d produces hormones that stimulate milk production produces hormones that stimulate milk ejection (release) What will be an ideal response?
Which type of medium would be the best choice when shipping a sample of bacteria from a clinic to a laboratory for testing?
A. Blood agar B. Eosin-methylene blue agar C. Thioglycolate medium D. Transport medium
How are bacteria the beginning and end of the nitrogen cycle? What will be an ideal response?
What is a codon?
A) a segment of a chromosome that encodes an RNA B) three genes in a bacterium that are all regulated together C) three amino acids in a row in a protein D) a three-base sequence of mRNA that codes for a specific amino acid E) a sequence in DNA that is the binding site for RNA polymerase