The Superior Portion of the Esophagus Contains Smooth Muscle in Its

question 99

True/False

The superior portion of the esophagus contains smooth muscle in its wall.

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Definitions:

DNA Primase

Enzyme that begins the process of DNA replication by synthesizing a short RNA segment complementary to the DNA template strand; this RNA strand is subsequently degraded and replaced with DNA.

ATP

For metabolism within cells, adenosine triphosphate acts as the vital molecule carrying energy.

Meselson And Stahl

Two scientists who conducted an experiment in 1958 proving that DNA replication is semi-conservative, where each of the two strands of the DNA helix serves as a template for the new strand.

Telomeres

The protective end caps of chromosomes that consist of short, simple, non-coding DNA sequences that repeat many times.