Which of the following are alternate ways to introduce DNA into a cell (other than viruses)?

A. Direct insertion of the gene into the cell
B. Attachment of the gene to receptors on the cell membrane
C. Attachment of the gene to a liposome
D. All apply.


Answer: D

Anatomy & Physiology

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While standing in the anatomical position,

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During external respiration, gases are exchanged between the:

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