Refer to the paragraph on the Venter et al. paper and the table above. Because DNAs for sequencing were chosen at random with no way of knowing which organism they came from, how could genes be identified?
A) by searching for open reading frames (ORFs), especially those with translation start and stop sites
B) by searching for similarity between predicted ORFs and those in existing databases
C) by searching for exons bounded by consensus donor and acceptor splice sites (those that mark exon/intron boundaries)
D) by searching for ORFs, particularly those with translation start and stop sites, as well as for similarity between predicted ORFs and those in existing databases
Answer: D
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The introduction mentions three out of four major tissue types found in animals. The tissue
that is not mentioned is __________ tissue.
a. nervous b. brain c. blood d. fat
If a cell had a damaged central vacuole, it would have difficulty performing what function?
A) Storing water B) Converting light energy into food molecules C) Converting food energy into cellular energy D) Assembling lipids
Which of the following is a protein made up of amino acids?
A) Uracil B) RNA polymerase C) Messenger RNA D) DNA E) Transfer RNA
Which factor is responsible for many emerging pathogens in humans?
A) expanded host or tissue range of the pathogen B) longer life spans resulting in a larger elderly population C) increased use of antibiotics in the past half-century D) improved sanitation and hygiene practices E) availability of vaccines