base change that changes a codon for an amino acid to a stop codon

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#Question id: 10947

#Unit 7. System Physiology – Animal

What occurs following activation of basophils?

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#Question id: 12410

#Unit 6. System Physiology – Plant

Precursor of the ABA is___

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#Question id: 1107

#Unit 4. Cell Communication and Cell Signaling

Viagra causes dilation of blood vessels and increased blood flow to the penis, facilitating erection. Viagra acts by inhibiting which of the following events?

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#Question id: 12175

#Unit 8. Inheritance Biology

Colour blind are X-linked disorder, a colour blind male have daughter cross with colour blind male, then what will be the probability of colour blindness?

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#Question id: 11379

#Unit 10. Ecological Principles

Which of the following is NOT a prediction arising out of Wilson-MacArthur's -Theory of Island Biogeography?