RNAi could be used to treat macular degeneration by
a. preventing the development of excess blood vessels.
b. increasing the turnover rate of blood vessels in the retina.
c. preventing the replication of the virus that causes macular degeneration.
d. blocking expression of the viral genes that allow infection of retinal cells to occur.
e. stimulating the capillaries to tighten their walls, preventing the plasma leakage that clouds
vision.
A
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The site on an enzyme that will bind the substrate is called the
A) prosthetic group. B) catalyst. C) active site. D) metastable site. E) activation site.
Which of the following groups of animals have some members capable of flight?
A. mammals and arthropods B. reptiles and mammals C. amphibians and arthropods D. reptiles, arthropods, and mammals E. reptiles, amphibians, and arthropods
Although no specific gene alteration has yet been demonstrated as a cause for schizophrenia (SZ), it is known to have a strong genetic component
A recent study has found a strong association between SZ and a locus at chromosome 10q22-23 in Ashkenazi Jewish and Taiwanese Han populations. Which of the following is probable? A) Other populations will have the same association with 10q22-23. B) The neuregulin-3 gene at this locus is mutated in all or most SZ cases. C) SZ exhibits significant genetic heterogeneity in different populations. D) The region on 10q must include several genes associated with SZ. E) People with SZ being characterized differently in various medical communities results in this association between the Jewish and Han populations.
Most fungi are ________, or fixed in one spot
Fill in the blank(s) with correct word