Which of the following would a karyotype be most effective in identifying?

1.autosomal dominant disorders.
2.X-linked disorders.
3.sex-limited genes.
4.trisomy disorders.


4

Biology & Microbiology

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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.

Biology & Microbiology

Which country receives the most sunlight per

year?

a. United States b. Japan c. Canada d. Germany e. Mexico

Biology & Microbiology

The process of post-transcriptional gene silencing triggered by micro-RNA molecules that stop translation is called

____. a. RNA interference b. micro-interference c. translational interference d. transcriptional disruption e. disruptive genetic silencing

Biology & Microbiology

When during the cell cycle are chromosomes visible?

a. only during interphase b. only when they are being copied c. only during the G phase d. during mitosis e. Chromosomes are always visible.

Biology & Microbiology