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The purines are ________, and pyrimidines ________.

Which of the following is TRUE regarding α-helical interactions with dsDNA?

Protein structure is determined by all of the following EXCEPT

Which is FALSE regarding the leucine zipper family of DNA binding proteins?

Riboswitches are located in the ________ and help to control ________.

On average, GC content ________ with respect to gene density, and exons contain ________ GC base pairs when compared to introns.

α-helices and β-sheets are considered ________ structure components.

The supercoiling of DNA is its ________, and the number of times the strands cross one another is its ________.

The ________ structure of a protein consists of a properly-folded single polypeptide, often with multiple domains.