The difference in mode of inheritance between Huntington disease and cystic fibrosis is that
A) Huntington disease skips generations and only affects children, whereas cystic fibrosis can strike at any age and never skips generations.
B) Huntington disease does not skip generations but cystic fibrosis can.
C) A person with Huntington disease can have unaffected parents, but a person with cystic fibrosis must have an affected parent.
D) Huntington disease affects females and cystic fibrosis affects males.
B) Huntington disease does not skip generations but cystic fibrosis can.
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The structural difference between saturated and unsaturated fats causes what type of change at room temperature?
A. Linear structure of a fatty acid causes solid formation at room temperature. B. Double bonds in saturated fatty acids cause a solid structure at room temperature. C. A linear structure causes a loose forming macromolecule that is liquid at room temperature. D. The double bonds require higher temperatures at room temperature to make this fatty acid into a liquid.
The coastal forests of Eastern Africa is home
to many endemic species and many of those species are either threatened or endangered. Because of this the coastal forests of Eastern Africa have been designated by Conservation International as a conservation __.
a. hot spot b. endangered region c. national park d. island e. ecoregion
Which of the following statements describes an
electron transfer chain? a. It generates energy from carbohydrates. b. Cells use it to dispose of excess electrons. c. It utilizes ATP to synthesize nutrients. d. It transfers energy, stepwise, from one compound to another. e. It requires activation by oxygen.
In exocytosis
A) protein vesicles import large molecules into a cell. B) lipid vesicles move along the cytoskeleton and export large molecules out of a cell. C) protein vesicles move along the cytoskeleton and export large molecules out of a cell. D) lipid vesicles import large molecules into a cell