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: 15700

#SCPH05 I Biotechnology

In a sequence database of a given size, which of the following expressions is likely to retrieve more matches (X means any amino acid; any of the residues in square brackets can occupy that position)?

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#Question id: 778

#SCPH06 I Botany

Inactive miRNA undergoes how many cleavages before incorporation into the RISC complex?

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#Question id: 385

#SCPH05 I Biotechnology

In which reaction below does water not participate as a reactant (rather than as a product)?

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#Question id: 4311

#SCPH05 I Biotechnology

At the beginning of this century, there was a general announcement regarding the sequencing of the human genome and the genomes of many other multicellular eukaryotes. Many people were surprised that the number of protein-coding sequences was much smaller than they had expected. Which of the following types of DNA make up the rest of the human genome?

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#Question id: 11985

#SCPH28 | Zoology

In  the  territorial  behavior  of  the  stickleback  fish,  the  red  belly  of  one  male  elicits  attack  from  another  male  by functioning as