When two species  A and B are present in aquatic environment, species A is exist in both upper & lower intertidal zone & species B exist in only lower intertidal zone individually. In the presence of species B, A is narrow their niche only in upper intertidal zone. Which species are strong competitors?

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#Question id: 1191

#Unit 4. Cell Communication and Cell Signaling

Predict the consequences of a temperature-sensitive mutation in which phosphorylation of the β-catenin protein is blocked. Above the permissive temperature:

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#Question id: 10829

#Unit 10. Ecological Principles

A lake rich in nutrients and species is classified as

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#Question id: 801

#Unit 1. Molecules and their Interaction Relevant to Biology

Identify the type of DNA from the structures given below and match the correct form with its characteristics described.

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#Question id: 11112

#Unit 7. System Physiology – Animal

The respiratory movement representing the total amount of exchangeable air is the:

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#Question id: 1138

#Unit 4. Cell Communication and Cell Signaling

A loss-of-function mutation in Wnt would have a phenotype similar to a

a. gain-of-function mutation in GSK-3.                    

b. gain-of-function mutation in β-catenin.

c. loss-of-function mutation in GSK-3.                     

d. loss-of-function mutation in β-catenin.