Chapter 6 And 7

8 Questions | By Staysea993 | Last updated: Jan 21, 2013 | Total Attempts: 100

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Quiz on Chapter 6: Viruses and on Chapter 7: Elements of micobial nutrition, ecology and growth

Questions and Answers

1.

Who postulated that rabies was caused by a Virus?
- A.
  
  Antoni van Leeuwenhoek
- B.
  
  Louis Pasteur
- C.
  
  John Tyndall
- D.
  
  Ferdinand Cohn
2.

_____ must be probvided to an organism.
3.

Misfolded proteins, contain no nucleic acid.
- A.
  
  Prions
- B.
  
  Oncoviruses
- C.
  
  Lysis
- D.
  
  Capsid
4.

96% of the cell is composed of these elements:-Carbon-Hydrogen-Oxygen-Phosphorous-Sulfur and
- A.
  
  Magnesium
- B.
  
  Potassium
- C.
  
  Nitrogen
- D.
  
  Zinc
5.

Viruses bear no resemblance to cells?
- A.
  
  True
- B.
  
  False
6.

________, a kind of chemoautotroph, produce methane gas under anaerobic conditions.
7.

______ are protein coats that enclose and protect their nucleic acid.
8.

Chemoautotrophs (lithoautotrophs) survive totally on organic substances.
- A.
  
  True
- B.
  
  False

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