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.

Which of the following is TRUE regarding zinc fingers?

You discover a protein that has a proline helix, a bromo domain, and a helix-turn-helix. You would expect this protein to

Proteins typically acquire new domains by

Proteins are advantageous over RNA because

Which of the following is TRUE regarding DNA melting temperature?

A protein which uses two lysines ~11 Å as a ruler can