Gene therapy consist of
a. replacing the genomes of an individual with
a brand new set of genomes with the goal
of treating a genetic defect.
b. replacing a defective gene in an individual
with a normal gene with the goal of treating
a genetic disorder.
c. transferring a modified gene into an
individual with the goal of treating a
genetic defect.
d. transferring a normal or a modified gene
into an individual with the goal of treating a
genetic defect.
e. replacing a defective enzyme in an
individual with a normal enzyme with the
goal of treating a genetic disorder
D
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Reservoirs include ________.
A. animals B. soil C. water D. humans E. All of the choices are correct.
Which of the following contribute(s) to the differences between the Archaea and the bacteria?
A. Archaea have isopranyl glycerol ethers rather than fatty acid esters in their membrane lipids. B. Archaea lack muramic acid. C. Archaea differ from bacteria in their tRNA composition, ribosome structure, and antibiotic sensitivity. D. All of the choices are correct.
Before Darwin could conceive of the idea of "descent with modification," he first had to accept
A. that organisms could inherit acquired characteristics. B. the idea of catastrophism. C. that the size of human populations is limited only by the quantity of resources. D. the earth was very old.
Most antibacterial drugs disrupt or destroy bacterial cellular characteristics that are different from those of eukaryotic cells or that may not even be present in eukaryotic cells, an idea termed 'selective toxicity'. List and describe at least three
cellular features of bacteria that could be targeted to inhibit or kill a bacterial pathogen. What will be an ideal response?