Which of the following Streptococcus pyogenes virulence factors kills leukocytes and erythrocytes?
A) streptolysins
B) pyrogenic toxins
C) streptokinases
D) the hyaluronic acid capsule
E) C5a peptidase
A
Bloom's Taxonomy: Knowledge
Section: Bacterial Diseases of the Upper Respiratory System, Sinuses, and Ears
Learning Outcome: 22.5
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A pyrimidine or purine base that has been joined with a ribose or deoxyribose sugar moiety is now termed a ________.
Fill in the blank(s) with the appropriate word(s).
The first part of a new polypeptide chain being produced in a eukaryotic cell has a signal peptide. Translation of this
polypeptide ____.
a. occurs on a free ribosome in the cytosolb. begins on a free ribosome in the cytosol and is completed on the rough ER c. occurs in the Golgi apparatus d. begins on the rough ER and is completed in the Golgi apparatus e. occurs on the rough ER
FAD becomes oxidized when it accepts hydrogen atoms and their electrons
__________________ Indicate whether the statement is true or false.
During muscle contractions, myosin motor proteins move across tracks of ______
Fill in the blank(s) with the appropriate word(s).