If the rate of fidelity of replication in bacteria is 10^-9/bp. How many replications it would take to make a mistake?

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#Question id: 4598

#Unit 11. Evolution and Behavior

Fossils of Thrinaxodon, a species that lived during the Triassic period, have been found in both South Africa and Antarctica. Thrinaxodon had a reptile-like skeleton and laid eggs, but small depressions on the front of its skull suggest it had whiskers and, therefore, fur. Thrinaxodon may have been warm-blooded. The fossils of Thrinaxodon are consistent with the hypothesis that ________.

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#Question id: 12971

#Unit 10. Ecological Principles

One group of ecologists has suggested that producers are limited by competition for resources, primary consumers (herbivores) are limited by predation, and secondary consumers (carnivores) are limited by food. If this were true, at which of the following trophic levels would one expect to find substantial evidence for competitive exclusion?

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#Question id: 27066

#Unit 1. Molecules and their Interaction Relevant to Biology

Determine R and S Configurations On A Fischer Projection given below 

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#Question id: 7035

#Unit 5. Developmental Biology

In xenopus, In what conditions b-catenin on target gene expression without wnt protein?

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#Question id: 9262

#Unit 9. Diversity of Life Forms

The kingdom Monera was dismantled because of which of the following reasons?