Each Fluorine-18 (18F) nuclear transformation by positron decay yields two highly penetrating _________ photons.

The sections of a gene that contain the coding sequences for the final protein product are:

a. Exons b. Introns c. UTRs d. Nucleosomes

Each of the following terms is used to describe the health or disease of the gingival tissues except one. Which one is the exception?

A) Contour B) Size C) Consistency D) Percussion E) Surface texture