Amino acids are usually found in the ________ conformation.

The purines are ________, and pyrimidines ________.

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

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

Protein structure is determined by all of the following EXCEPT

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

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

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

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.