The results of the treatment of 20 boys with
SCID-X1 showed that
a. SCID-X1 can be cured through genetic
engineering.
b. most of the treated boys were cured of the
disease.
c. a transplanted normal IL2RG gene can cure
SCID-X1.
d. our understanding of the human genome
lags behind our ability to modify it.
e. all of these are true.
E
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Which of the following statements about steroid hormones in insects and humans is most accurate?
a. An insect hormone injected into a human would have no effect. b. A human hormone injected in an insect would have no effect. c. The reaction pathways stimulated by steroid hormones in insects and humans are similar. d. The reaction pathways stimulated by steroid hormones in insects and humans are different. e. Insects do not have steroid hormones.
A ribozyme catalyzes a reaction on itself and actually changes shape. This is an example of.
A. intra-enzyme reactions. B. intramolecular catalysis. C. inter-enzyme reactions. D. intermolecular catalysis.
Slow-growing bacteria in the genus (Mycoplasma/Mycobacterium/Pseudomonas) are able to withstand long exposure to air because of the presence of mycolic acid in their cell wall structure
What will be an ideal response?
Microscopic examination of a bacterial culture reveals a variety of curved, motile bacterial cells. What genera could be suspected at this point?
> Vibrio > Campylobacter > Helicobacter > Escherichia > Salmonella