A covalent bond forms when

A. electrons are present in a valence shell.
B. a valence electron is removed from one atom and added to another.
C. a pair of valence electrons is shared between two atoms.
D. one atom attracts electrons more strongly than another atom.


Ans: C. a pair of valence electrons is shared between two atoms.

Biology & Microbiology

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Which cells are least likely to proceed into G1?

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Barbara McClintock identified corn mutants with the unstable mutant phenotype with what pattern of color?

What will be an ideal response?

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