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TLS Online TPP Program

#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.

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TLS Online TPP Program

#Question id: 13190

#Unit 10. Ecological Principles

During the evolution of life on Earth, the photosynthetic organisms initially responsible for raising atmospheric oxygen concentrations from less than 1 percent to about 20 percent were
TLS Online TPP Program

#Question id: 1061

#Unit 4. Cell Communication and Cell Signaling

Specialized transduction
TLS Online TPP Program

#Question id: 18579

#Unit 7. System Physiology – Animal

When the body is in a state of physiological equilibrium, it is said to be in a state of ______.
TLS Online TPP Program

#Question id: 3344

#Unit 11. Evolution and Behavior

Which of the following statements is NOT correct regarding effect of genetic drift?
TLS Online TPP Program

#Question id: 3561

#Unit 8. Inheritance Biology

During which phase of meiosis does independent assortment occur?