This is a preview. Log in through your library . Abstract We have cloned a DNA fragment harboring the genes for ribosomal proteins L2, L4, and L23 on a plasmid vector that contains a lac operator and ...
Stein, W. D., in Structure and Activity of Enzymes, 133 (Academic Press, 1964).
Examples abound in nature in which organisms adapt and optimize their fitness in a given environment. A new study demonstrates that a cellular cost-benefit analysis drives growth optimization over the ...
This is a preview. Log in through your library . Abstract Epistatic interactions can frustrate and shape evolutionary change. Indeed, phenotypes may fail to evolve when essential mutations are only ...
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