Part 1

Question 1

• Smallest infectious agent (__ nm – ___ nm)
• large group of obligate intracellular
  parasites capable of infecting a variety of
  different cell types.
• may contain either ____ or ____ as their
  genomic material and this material may be
  either single- or double-stranded.

Answer 1

Virus

• Smallest infectious agent (20 nm – 200 nm)
• large group of obligate intracellular
  parasites capable of infecting a variety of
  different cell types.
• may contain either DNA or RNA as their
  genomic material and this material may be
  either single- or double-stranded.

Question 2

____ B.C.

• ______ the 7th Pharoah of the 19th dynasty
  was believed to have suffered from
  ________________ judging from his deformed leg

Answer 2

1400 B.C.

• Siptah the 7th Pharoah of the 19th dynasty
  was believed to have suffered from
  poliomyelitis judging from his deformed leg

Question 3

____ B.C.

• Ramses V’s mummy showed _______________
  from __________

Answer 3

1143 B.C.

• Ramses V’s mummy showed pockmarks
  from smallpox

Question 4

_________ ___________________

• presented a paper about a tobacco mosaic
  virus
• He showed that extracts from diseased
  _______ plants could transmit disease to
  other plants after passage through ceramic
  filters fine enough to retain the smallest
  known bacteria

Answer 4

Dmitri Iwanowski

• presented a paper about a tobacco mosaic
  virus
• He showed that extracts from diseased
  tobacco plants could transmit disease to
  other plants after passage through ceramic
  filters fine enough to retain the smallest
  known bacteria

Question 5

____________ ______________

• confirmed the work of Iwanowski
• coined “_________________________” (soluble
  living germ)
• used the word _____ (poison)

Answer 5

Martinus Beijerinck

• confirmed the work of Iwanowski
• coined “contagium vivum fluidum” (soluble
  living germ)
• used the word virus (poison)

Question 6

_____________________ and _______________

• observed the causative agent of foot-and mouth-disease to be similar with the observations of Iwanowski and Beijernick

Answer 6

Friedrich Loeffler and Paul Frosch

• observed the causative agent of foot-andmouth-disease to be similar with the observations of Iwanowski and Beijernick

Question 7

_____________________

• polio virus

Answer 7

Karl Landsteiner

• polio virus

Question 8

_____________________

• polio virus

Answer 8

Karl Landsteiner

• polio virus

Question 9

___________________ and _________________

• described the bacterial viruses
• __________ named it ____________________

Answer 9

Frederick Twort and Felix d’Herelle

• described the bacterial viruses
• d’Herelle named it bacteriophage