Replication starts at a specific origin in the circular duplex DNA. Initially, though, only one of the two parental strands (the H strand in mammalian mitochondrial DNA) is used as a

template for synthesis of a new strand. 

Synthesis proceeds for only a short distance, displacing the original partner (L) strand, which remains single-stranded,

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#Unit 8. Inheritance Biology

Linkage 

Tendency of two or more than two gene remain together during the course of inheritance.

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#Unit 4. Cell Communication and Cell Signaling

These epithelial barriers include the skin and the tissue surfaces connected to the body’s openings.

Skin and other epithelia provide a kind of living “plastic wrap” that encases and protects the inner domains of the body from infection.

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#Unit 4. Cell Communication and Cell Signaling

Principal signaling receptor for Wnt proteins is Frizzled (Fz), which contains seven transmembrane α helices.

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#Unit 6. System Physiology – Plant

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#Unit 3. Fundamental Processes

Readthrough transcripts refer to the fraction of transcripts that are not stopped by the terminator.  Furthermore, the termination event can be prevented by specific ancillary factors that interact with RNA and/or RNA polymerase, a situation referred to as antitermination.