During oogenesis, cells divide unequally into a large functional oocyte and a small
____________________. Fill in the blank(s) with the appropriate word(s).
ANS: polar body
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BRCA2 maps to the long arm of chromosome 13 and may be responsible for the majority of inherited predispositions for breast cancer not caused by ____________________
Fill in the blank(s) with correct word
The five-year survival rate of ____________________ cancer is only 13%. Fill in the blank(s) with the appropriate word(s)
A serious genetic disorder known as hemochromatosis is often called the rusty organ disease and affects nearly 1.5 million Americans. The disorder causes increased absorption of intestinal iron. Which organ is responsible for iron homeostasis?
A. spleen B. brain C. lungs D. liver E. gallbladder
Which of the following is not true about transcription factors?
A. Transcription factors are considered external cell regulators. B. Specialization of cells is determined/influenced by which transcription factors are active in the cell. C. There are many different types of transcription factors. D. Transcription factors are DNA-binding proteins. E. Genes code for transcription factors.