Heterozygous carriers of chromosome inversions or translocations __________
A) will be viable and completely fertile because no genes were deleted
B) may or may not exhibit phenotypic abnormalities
C) may be infertile due to complications during meiosis
D) Both A and B are correct
E) Both B and C are correct
E
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Which of the following is not true about the G + C content percentages in DNA of organisms?
A. Similar G + C percentages only suggests relatedness if the two organisms are also alike phenotypically. B. Organisms with different G + C percentages have dissimilar base sequences. C. Organisms with similar G + C percentages have similar base sequences. D. All of the choices are correct.
Pre-mRNA splice sites are recognized by the spliceosome through:
A. base pairing with snRNAs. B. site-specific recognition by the Sm proteins. C. RNA hairpin recognition. D. the specific distance of the intron from the mRNA 5' cap.
A soft drink manufacturer, notorious for making marketing claims that are deceptive but technically accurate, has released a new sports beverage. The advertisements for this beverage assert that it contains anabolic molecules that provide energy and is 100% legal to produce and consume. You buy a bottle of this beverage for testing and discover that it contains little more than water, disaccharides such as sucrose and maltose, citric acid, and other fairly common fruit flavoring agents. Have you finally caught the company in a lie?
a. Yes! This beverage does not contain any anabolic ingredients despite these claims. b. Yes! Anabolic steroids are illegal in the United States regardless of how they are consumed. c. No; disaccharides are created through anabolic pathways and are perfectly legal. d. No; anabolic molecules denature in the presence of citric acid, becoming legally inert.
Biotic potential is controlled by all of the
following factors EXCEPT a. the age of individuals within the population. b. the resources available for each individual. c. fecundity rate. d. environmental disturbances. e. all of these control biotic potential