Different genotypes for the CYP2D6 gene produce significantly different responses to tamoxifen, the medication often used to treat ____________________

Fill in the blank(s) with correct word


breast cancer

Biology & Microbiology

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Cuvier, an anatomist and paleontologist, proposed

that a. all present-day organisms have descended, with adaptations, from one—or possibly a few— original organisms. b. the earth’s history has been marked by several periods when destruction of populations was widespread and that, after each such period, the earth was repopulated. c. evolutionary changes in organisms are caused by use and disuse. d. although evolution is responsible for all the changes that happen to species, one center of creation resulted in the original members of each species. e. none of these are true.

Biology & Microbiology

A researcher determined that a strain of E. coli is producing a shortened version of a protein required for glucose metabolism. What type of mutation could be responsible for this shorter than normal protein?

A. missense mutation B. silent mutation C. nonsense mutation D. sense mutation E. frameshift mutation

Biology & Microbiology

What is false about the end of meiosis 1?

What will be an ideal response?

Biology & Microbiology

Please identify the three most common parts of a protein coding eukaryotic gene

What will be an ideal response?

Biology & Microbiology