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These electron microscopy images are visual evidence that genes are “split” in eukaryotes. In this experiment, genomic DNA was hybridized with processed, purified RNAs (both from the adenovirus). DNA:RNA hybrids look darker than single-stranded DNA. Questions 3-4 follow this experiment. What would the TEM images look like if the introns were removed at the level of the DNA and not the RNA?

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In terms of database architecture, which component translates the query processor instructions into low-level file-system commands and is responsible for indexing the data?

In the relational algebra, compatible tables have the same _____.

During database design, an ER _____ and _____ are usually developed in parallel.

Which database role focuses on database storage, response times, and optimization?

In a relational database model, an attribute refers to which concept?

In the fruit fly Drosophila, eye color is an X-linked trait, with the allele for red (R) dominant to the allele for white (r).  Which of the following is true of a cross in which the P generation is a white-eyed female crossed with a red-eyed male.  Feel free to use scratch paper.

Which of the following is NOT one of the bases found in a DNA molecule?