A DNA molecule has the sequence AGTTCAACT. The equivalent RNA molecule would have the sequence ________
A) AGTTCAACT
B) AGUUCAACU
C) UGTTCUUCT
D) UGUUCUUCU
B
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How do fossils provide evidence of evolution?
a. Fossils show the progression of anatomical changes that resulted in new species. b. Fossils show us when a species has died off and where the species was located. c. Fossils show us where a species lived during its existence. d. Fossils provide no evidence for evolution, only natural selection.
Wood frogs freeze solid during the winter and then thaw in the spring. As the freezing progresses, blood circulation stops. How would you expect cells not being served by the circulatory system to produce ATP during this time, and what by-product would
you expect to build up in the cells? A) aerobic respiration and CO2 B) fermentation and lactate C) fermentation and alcohol D) photosynthesis and O2
Why is there no consistency in the screening of newborns in the United States?
a. Each state independently decides which tests to include. b. The March of Dimes only recommends 29 items for screening. c. For some disorders, we do not screen because there is no way to remediate the defect. d. Because there are simply too many.
Most people of African, Asian, and Native
American descent carry the same allele for the melansome gene. What is the function of the melanosome gene product?
a. transport of melanin b. distribution of melanin c. basic synthesis of melanin d. more than one of these e. none of these - it is a mutated gene that is non-functional