Which of the following statements is TRUE concerning mRNA?
A) mRNA has a very short half-life.
B) mRNA has complex secondary structure.
C) mRNA is catalytic.
D) mRNA is the product of translation.
Answer: A
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You’ve heard the phrase, “Feed a cold, starve a fever,” your whole life, and you’ve always considered it dubious advice at best; after all, how are you supposed to recover from any infection if you’re undernourished? After reading this module, however, you realize that one of your organs may be following a portion of this folk remedy despite your opinion. Which statement is true?
a. In response to a cold, the capillaries surrounding the stomach constrict, reducing hunger. b. In response to a cold, the pancreas produces less insulin, causing blood sugar levels to spike immediately c. In response to a fever, the liver stops releasing iron into the blood, starving certain bacteria. d. In response to a fever, the small intestine becomes more permeable to large protein molecules.
Long structures used for cell movement are
A. centrioles. B. cilia. C. flagella. D. granules.
A typical G1 nucleus is 2n and contains 2C (two complements) of DNA. Which of the following is true?
A) A cell in prophase is 2n and contains 4C of DNA. B) A cell in metaphase is 2n and contains 2C of DNA. C) A cell in G2 is 4n and contains 2C of DNA. D) A prophase cell is 4n and contains 4C of DNA. E) A cell in prophase is 2n and contains 2n of DNA.
In 2010, the American Civil Liberties Union filed suit against Myriad Genetics. The court ruled in favor of the ACLU. What precedent did this court case set with regard to biotechnologies?
A) confirmed human genes cannot be patented B) confirmed that any gene-related biotechnologies cannot be patented C) confirmed that human genes can be patented D) confirmed that synthetic genes cannot be patented