Water is a polar molecule: the oxygen atom with its unshared electrons carries a partial negative charge (δ−) of ___________, and the hydrogen atoms each carry a partial positive charge (δ+) of __________, where e is the charge of the electron.

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#Question id: 11404

#XL - R Botany

You were discovered 4 species in forest, their characteristic as following,

A specie eat only bamboo;

B species eat fruits of many tree species;

C species Short life span;

D species low population variability .

Which of the following species characteristics have been proposed as more prone to extinct?

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#Question id: 9605

#XL - S Microbiology

A phylogenetic tree that is ʺrootedʺ is one

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#Question id: 4629

#XL - T Zoology

In the mid-1900s, the Soviet geneticist Lysenko believed that his winter wheat plants, exposed to ever-colder temperatures, would eventually give rise to ever more cold-tolerant winter wheat. Lysenkoʹs attempts in this regard were most in agreement with the ideas of

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#Question id: 3680

#XL - S Microbiology

If DNA polymerase I were mutated so that all its enzymatic activities were inactive, which part of replication would be most affected?

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#Question id: 14817

#XL - S Microbiology

The given antigen causes more immunogenicity except