A serious limitation of using a retrovirus as a vector for gene therapy is that
A) the retrovirus may insert into a proto-oncogene, causing cancer.
B) a genetically modified retrovirus causes AIDS.
C) it causes ADA accumulation.
D) reverse transcriptase will not work in human cells.
A) the retrovirus may insert into a proto-oncogene, causing cancer.
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The citric acid cycle contains how many steps?
a. 2 b. 4 c. 6 d. 8
In this chemical synapse, which structure represents the receptors that bind neurotransmitter
molecules?
a. A b. B c. C d. D e. E
The 3-nucleotide sequences in DNA that is transcribed into mRNA codons are the same 3 nucleotides
as the anticodons that bind to those codons. Indicate whether the statement is true or false.
T-independent antigens
A) may be polysaccharides or proteins, and are not able to bind multiple B cell receptors on a given B cell. B) are usually polysaccharides and able to bind multiple B cell receptors on a given B cell. C) are able to bind multiple B cell receptors on a given B cell. D) are usually proteins. E) are usually polysaccharides.