Mutations in the Raf gene that lock its kinase domain in a permanently activated conformation, in absence of growth factors, resulting:

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#Question id: 14490

#Unit 13. Methods in Biology

In a single throw of two dice find the probability that neither a doublet (same number on the both dice) nor a total of 9 will appear.

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#Question id: 13553

#Unit 6. System Physiology – Plant

According this graph which statements is most appropriate ;

a) The air surrounding the leaf is very still, the layer of unstirred air on the surface of the leaf may be so thick that it is the primary deterrent to water vapor loss from the leaf   

b) The air surrounding the leaf is very still, reduces the thickness of the boundary layer at the leaf surface, reducing the resistance of this layer

c) The moving air reduces the thickness of the boundary layer at the leaf surface, reducing the resistance of this layer    

d) The moving air, the layer of unstirred air on the surface of the leaf may be so thick that it is the primary deterrent to water vapor loss from the leaf

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#Question id: 14497

#Unit 13. Methods in Biology

In a throw of 3 dice the probability that at least one die shows up 1 is

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#Question id: 1590

#Unit 4. Cell Communication and Cell Signaling

An epitope associates with which part of an antibody?

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#Question id: 5085

#Unit 5. Developmental Biology

An embryo with meroblastic cleavage, extraembryonic membranes, and a primitive streak must be that of ________.