Which of the following represents a sequence located upstream, downstream, within the coding region, or several thousand base pairs away from a gene that increases transcription?
a. promoter
b. terminator
c. repressor
d. enhancer
d. enhancer
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Refer to the paragraph on the Venter et al. paper and the table above. How do you think expected genes were placed into the categories shown in the preceding table?
A) by searching for open reading frames (ORFs), especially those with translation start and stop sites B) by searching for matches, especially of the predicted gene products, with previously identified gene products of known function C) by expressing the cloned genes in E. coli and then running biochemical analyses of the products D) by searching for similarity between ORFs and those in existing databases
What occurs during the follicular phase of the ovarian cycle?
_____ Estradiol is secreted from the cumulus mass. _____ Progesterone is secreted from the corpus luteum. _____ The primary oocyte completes meiosis I. _____ The secondary oocyte begins meiosis II. _____ The secondary oocyte completes meiosis II.
Once they are identified, ____ take priority in worldwide conservation efforts
a. healthy ecosystems b. riparian zones c. hot spots d. grasslands e. forests
Imagine two species of birds with similar beak sizes and diets. Where the two species are allopatric, we would expect that their beak sizes
A. should be more similar than when sympatric. B. should be more different than when sympatric. C. should be smaller than when sympatric. D. should be larger than when sympatric.