Fruit is most important in facilitating _____.
A. spore production
B. fertilization
C. pollination
D. seed dispersal
Ans: D. seed dispersal
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Which of the following criteria have to be met for a species to qualify as invasive?
A) endemic to the area, spreads rapidly, and displaces foreign species B) introduced to a new area, spreads rapidly, and displaces native species C) introduced to a new area, spreads rapidly, and displaces other invasive species D) endemic to the area, spreads slowly, and displaces native species
. Leprosy is
A. an infectious disease caused by a bacterium. B. a disease of the blood. C. also known as Hansen's disease. D. described in the Bible. E. an infectious disease caused by a bacterium, also known as Hansen's disease AND described in the Bible.
A region of a chromosome contains two strands of DNA, yet only one is used to transcribe a gene because
A. both strands are transcribed, but only one strand of DNA contains a reading frame. B. all genes are found on the same strand of DNA in a chromosome. C. the start of transcription is random along the chromosome and doesn't always occur on a gene. D. RNA polymerase binds to the terminator, stopping transcription on one strand of DNA. E. RNA polymerase binds to the promoter, which precedes the gene only on the template strand of DNA.
A bacterial polygenic transcription unit ________
A) is void of start (AUG) and termination (UAA, UGA, UAG) triplets B) contains information for more than one protein product C) is capped at the 5? end and carries a poly-A tail at the 3? end D) contains information for one protein product E) None of the answers listed is correct.