The most common vectors used in DNA therapy experiments are ___________
A. modified human cells D. bacteria
B. retroviruses E. naked DNA
C. hanta viruses
B
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Many halophiles require a high ionic environment for survival
Indicate whether the statement is true or false.
The algae that live within the coral reefs exhibit __________ relationship with the coral itself
a. a parasitic b. a predator–prey c. a symbiotic d. no
What material is stored in the thyroid follicles?
A) enzymes that produce thyroglobulin B) pure iodine, so the thyroid has a constant supply C) iodinated thyroglobulin, from which thyroid hormone can be released D) thyroid hormones, ready to be immediately released
There are several problems associated with the use of new GMOs. One of which is ________
A) the yields from the genetic modification may not be useful in the field B) the GMO could prove dangerous for human consumption C) the ecological impact is well known D) the ecological impact is largely unknown