---

---

Select your answer:
         

Next Quiz >

Topics:

Nerve Injuries in Oral & Maxillofacial Surgery Enzymes Introduction to Mycology CLPT, M.Pharmacy, Pharmaceutics; Regulatory Affairs Circulation and Excretion Microorganisms, Health and Diseases Immunology and Serology Vision (AP Psych) Gene Cloning Health - Nutrition Levels of Organization Innate Immunity Immune Response Virus Respiratory and Circulatory

Other quiz:

DNA › View

A defective protein can be produced by a cell when a mutation has which of the following effects?

A. Messenger RNA is prevented from being made.

B. It causes cells to divide in an uneven way.

C. An additional mRNA strand is caused to form.

D. The amino acid sequence coded by the gene is altered.

---

Respiration Anatomy and Physiology › View

The ____ sits on top of the uppermost tracheal ring

A. larynx

B. esophagus

C. thorax

D. diaphragm

---