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#Question id: 1065


Resistance of some animals to certain viral diseases is based on

#Unit 4. Cell Communication and Cell Signaling
  1. lack of spikes for attachment.

  2. phagocytosis of the virus by the host cell.

  3. the presence of the viral envelope.

  4. lack of specific receptors on the host cell.


Answer:- Option(s): 4


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TLS Online TPP Program

#Question id: 5828

#Unit 8. Inheritance Biology

__ are chemical fluctuations where hydrogen atoms move from one position to another, such as from one position in a purine to another.

TLS Online TPP Program

#Question id: 5827

#Unit 8. Inheritance Biology

Temperature sensitive mutants could result from what?

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#Question id: 5826

#Unit 8. Inheritance Biology

____ is a disease that causes progressive neurological degeneration that progresses to mental retardation and general loss of body function.

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#Question id: 5825

#Unit 8. Inheritance Biology

__ are mutations that have no effect on the phenotype of the organism.

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#Question id: 5824

#Unit 8. Inheritance Biology

___ is a second mutation at a different location in the genome that compensates for the effects of an original, first mutation.

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#Question id: 5823

#Unit 8. Inheritance Biology

provide a selective advantage to the organism when grown in its original environment.

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