The Back and Backing Welds Are the Same and Are

question 12

Short Answer

The back and backing welds are the same and are shown by the same symbol and either is specified by including a reference in the ____________________ of the welding symbol,

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Definitions:

DNA Ligase

A catalyst that aids in connecting strands of DNA by promoting the creation of a phosphodiester linkage.

Apoptosis

A process of programmed cell death that occurs in multicellular organisms, maintaining health by eliminating old, unnecessary, or unhealthy cells.

Cancerous Cells

Abnormal cells that divide uncontrollably and can invade nearby tissues or spread to other parts of the body.

Bacterial Chromosome

The circular DNA found in bacteria that contains all of the genetic information necessary for cell function and reproduction.