In DNA double helix, the two DNA chains are held together by

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#Question id: 4985

#XL - S Microbiology

The loss of ventral spines by modern freshwater sticklebacks is due to natural selection operating on the phenotypic affects of Pitx1 gene

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#Question id: 319

#XL - Q Biochemistry

London dispersion forces are attractive forces that arise due to

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#Question id: 8789

#XL - R Botany

If additional DNA sequence evidence shows that yeast genes for synthesizing proteins are more similar to protein-synthesizing genes in bacteria than those in archaea, a modern systematist would ________.

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#Question id: 32942

#XL - S Microbiology

Which of the following factors DOES NOT contribute to biofilm formation?

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#Question id: 434

#XL - Q Biochemistry

 Anabolic and catabolic reactions in eukaryotes can occur simultaneously in cells. This is possible because ________.