A mutated strain of E. coli replicates DNA normally at 25°C, but replication stops immediately when the temperature is raised to 37°C. Which protein is likely to be non-functional at the higher temperature?

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#Question id: 20137

#XL - P Chemistry

If uncertainty in position and velocity are equal then uncertainty in momentum will be

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#Question id: 1065

#XL - T Zoology

Resistance of some animals to certain viral diseases is based on

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#Question id: 4631

#XL - T Zoology

As a young biologist, Charles Darwin had expected the living plants of temperate South America would resemble those of temperate Europe, but he was surprised to find that they more closely resembled the plants of tropical South America. The biological explanation for this observation is most properly associated with the field of

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#Question id: 20158

#XL - P Chemistry

In a set of degenerate orbitals the electrons distribute themselves to retain similar spins as far as possible. This statement is attributed to

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#Question id: 1595

#XL - S Microbiology

The EBV antigen fragments will be presented by the virus-infected cells along with which of the following?