Tay—Sachs disease is most prevalent among populations of the Pennsylvania Amish in the United States
Indicate whether the statement is true or false
FALSE
Explanation: It is most prevalent among Ashkenazi Jews of central and eastern European descent.
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In a Drosophila oocyte, bicoid mRNA produced by the mother is localized at one end of the egg rather than evenly distributed throughout the egg. This is an example of:
A. translational control of gene expression during development. B. translational control of development. C. hierarchical control of gene regulation during development. D. maternal developmental effect. E. oocyte polarization.
Chloroplasts arose by endosymbiosis of a(an)?
A. aerobic archaeon. B. aerobic bacterium. C. anaerobic bacterium. D. photosynthetic bacterium. F. photosynthetic archaeon.
What is the function of tRNA molecules during translation?
A) They unzip double-stranded mRNA. B) They serve as the starting point for RNA polymerase. C) They carry amino acids to the ribosome. D) They encode the instructions for protein synthesis.
Foraminiferans are marine protists that produce beautiful shells composed mostly of _____.
Fill in the blank(s) with the appropriate word(s).