Which of these is most important in making the typical seed more resistant to adverse conditions than the typical spore? 

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#Question id: 11014

#Unit 7. System Physiology – Animal

What is the normal QT interval?

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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: 28184

#Unit 5. Developmental Biology

If cells are removed from the embryo, the remaining cells can regulate and compensate for the missing part, from these mode of specification is known as____

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#Question id: 14900

#Unit 6. System Physiology – Plant

polymer-trapping model explains symplastic loading in plants, This model states that the sucrose diffussion takes place through cell to cell via plasmodesmata; which of the following prediction about the diffusion mechanism is INCORRECT?    

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#Question id: 28920

#Unit 4. Cell Communication and Cell Signaling

Which of the following is a correct prediction about processing and secretion of Hedgehog protein ?

a) the freed N-terminal is not involved in signaling and is often degraded

b) the freed C-terminal is not involved in signaling and is often degraded

c) the N-terminal becomes the active Hedgehog protein intended for secretion

d) the C-terminal becomes the active Hedgehog protein intended for secretion