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Cell Biology Practice Test 37

Bacteria and Archaea Quiz Questions and Answers PDF - 37

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Bacteria and Archaea Quiz Questions PDF Download: Test 37

MCQ 181: Which of the following elements is important in the production of amino acids?

A) sulphur
B) copper
C) nitrogen
D) magnesium

MCQ 182: In each mass extinction, what is the average percentage of the marine animals that went extinct?

A) 10
B) 20
C) 40
D) 50

MCQ 183: Cancer-causing genes are called

A) oncogenes
B) Virogenes
C) homeotic genes
D) metamorphosis

MCQ 184: How big are the tiniest viruses?

A) 20nm
B) 300nm
C) 2nm
D) 80nm

MCQ 185: Which of the following is an example of a retrovirus?

A) Human Immunodeficiency Virus (HIV)
B) picoRNAvirus
C) coronavirus
D) flavivirus

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