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Human Health and Disease

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Advanced Zoology

Animal Kingdom
Structural Organisation in Animals
Digestion and Absorption
Breathing and Exchange of Gases
Body Fluids and Circulation
Excretory Products and their Elimination
Locomotion and Movement
Neural Control and Coordination
Chemical Coordination and Integration
Human Reproduction
Human Health and Disease
Biotechnology Principles and Processes
Biomolecules (Zoology)
Evolution (Zoology)
Biotechnology and its Applications
Reproductive Health
  1. Retroviruses are implicated as a cause for cancer in humans because they
    1. carry gene for reverse transcriptase
    2. may carry cellular proto-oncogenes in their genome
    3. may carry v-oncogenes in their genome
    4. carry single stranded RNA as their genetic material
Correct Option: B

Cancer is initiated when the inactive protooncogenes are activated to cellular oncogenes which trigger uncontrolled cell multiplication.


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