Homework Help: 7th grade science Ms. Sue pleae only 1 question

Posted by Delilah on Friday, November 2, 2012 at 10:56pm.

1.
Gene therapy research uses _______ to alter defective hereditary material. (1 point)

bacteria
cells
interferons
viruses

Is the answer viruses? Or maybe its cells?

7th grade science Ms. Sue pleae only 1 question - Ms. Sue, Friday, November 2, 2012 at 11:00pm
cells
7th grade science Ms. Sue pleae only 1 question - Delilah, Friday, November 2, 2012 at 11:03pm
thanks!
7th grade science Ms. Sue pleae only 1 question - Delilah, Sunday, November 4, 2012 at 7:26pm
thanks but actually it was viruses
7th grade science Ms. Sue pleae only 1 question - duh, Wednesday, November 14, 2012 at 12:57pm
you duh you duh
7th grade science Ms. Sue pleae only 1 question - d, Monday, November 26, 2012 at 2:22pm
fdf

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