RNA molecules are transported from the nucleus to the cytoplasm in eukaryotes through:
A. sodium/potassium channels.
B. aquaporins.
C. passive diffusion.
D. budding off of the nuclear envelope.
E. nuclear pore complexes.
Answer Key: E
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The process in which a network of species undergoes reciprocal evolutionary change through natural selection is referred to as ________
Fill in the blank(s) with correct word
Gene therapy is being explored as a means of permanently correcting a defective gene to cure a disease rather than to merely treat symptoms with drugs. Ideally, it would be best to correct these defective genes before a baby is even born
But if it's possible to change diseased genes, what about changing genes that regulate other characteristics, such as height or eye color? Would it be desirable to change the genes of babies for more cosmetic purposes?
In order for natural selection to occur within a population, certain conditions must be met. One such condition is
A. phenotypic variations that are genetic. B. low rates of immigration. C. heterozygosity must be very low. D. phenotypic differences resulting from environmental conditions. E. frequent mutations that are inherited.
Which of the following is NOT a factor in determining the potential of a new antimicrobial?
A. cost of production B. duplication of existing antimicrobial mechanism of action C. spectrum of action D. route of administration E. stability