Down syndrome is usually caused by:

What was the Avery et al. (1944) contribution to the understanding of molecular biology?

The basic chemical structure of a nucleotide includes ________.

The central dogma of molecular genetics includes what two processes?

Monosomy is to 2n-1 as polyploidy is to:

Breakage at fragile sites, such as the Fragile X site, is correlated with having a large number of copies of a 3-base repeat, but is caused by:

You are preparing to initiate an intravenous (IV) line for a laboring patient who is receiving epidural analgesia. Which of the following actions should you take to ensure the safe placement of the IV?

A nurse is preparing to insert a Foley catheter in a laboring patient who has an epidural for pain management. Which of the following considerations should the nurse keep in mind during the procedure?

A nurse is teaching a group of expectant mothers about the physiological adaptations that occur in the respiratory system during pregnancy. Which of the following statements accurately describes a normal adaptation?

What is the main concern of the colonists in the beginning of Franklin’s work of literature?