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Why does a genetic experiment using recombination generally involve screening hundreds of millions of cells to find a few recombinants that form visible colonies?
Deprivation
The lack or denial of something considered to be a necessity, such as food, shelter, or emotional comfort.
Physical Needs
Basic requirements necessary for physiological well-being, such as food, water, shelter, and sleep.
Tension
A mental or emotional strain caused by challenging or demanding circumstances.
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