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.

Biology & Microbiology

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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.

Biology & Microbiology

Chloroplasts arose by endosymbiosis of a(an)?

A. aerobic archaeon. B. aerobic bacterium. C. anaerobic bacterium. D. photosynthetic bacterium. F. photosynthetic archaeon.

Biology & Microbiology

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.

Biology & Microbiology

Foraminiferans are marine protists that produce beautiful shells composed mostly of _____.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology