Thymine and cytosine are classified as and have one ring of carbon and nitrogen atoms for each base.

Building glycogen from glucose molecules is an example of what

Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?

The basic types of tissue in the human body are