In embryos whose mothers have mutant glp-1, ABp is transformed into an ABa cell

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#Id: 2213

#Unit 11. Evolution and Behavior

Gradualism is Darwin’s proposition that the differences between even radically different organisms have evolved by small steps through intermediate forms,  not by leaps

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#Id: 6917

#Unit 8. Inheritance Biology

Unbalanced gene dosage leads to developmental abnormalities.

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#Id: 2623

#Unit 13. Methods in Biology

The recognition sequences for Type II endonucleases form palindromes with rotational symmetry

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#Id: 4954

#Unit 6. System Physiology – Plant

Type II phytochromes, these phytochromes are also present in etiolated plants. The reason is that the expression of their mRNAs is not significantly changed by light, and the encoded phyB through phyE proteins are more stable in the Pfr form than is PfrA.

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#Id: 2340

#Unit 3. Fundamental Processes

When bound to the ribosome, stringent factor catalyzes formation of the unusual nucleotide guanosine tetraphosphate (ppGpp); it adds pyrophosphate to the 3 position of GTP, in the reaction.