The following are steps in using SSU rRNA molecules to develop phylogenetic trees. Place these steps in the correct order.
_____
Count the number of nucleotide differences between each pair of sequences and calculate the evolutionary distance._____
Input data into computer and use appropriate software to construct a phylogenetic tree._____
Align nucleotide sequences to compare._____
Isolate DNA from cells of each organism being tested._____
Amplify the DNA of the SSU rRNA genes of each organism using polymerase chain reaction._____
Determine the nucleotide sequence of the SSU rRNA genes of each organism.
Fill in the blank(s) with the appropriate word(s).
5, 6, 4, 1, 2, 3
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The results obtained when the linker was cloned between -50 and -100 indicate that
A. this region is not critical for transcription but can enhance transcription B. the assay failed C. when cloned in this region the linkers had a transacting effect D. the results of the assay were variable and this is just due to random variation in the assay Bloom's Level:
Bird song
a. has to be heard before a bird can sing it. b. is learned during early life. c. is specific for each bird species. d. has a genetic component. e. includes all of these.
In transduction, two prokaryotic cells of different mating types come together and genetic material is
transferred from one cell to another. Indicate whether the statement is true or false.
Which of the following molecular abnormalities is most likely related to cancer risk after infection with papillomavirus (HPV)?
A. Trapping of the Ras protein in a GTP-bound state B. Increased expression of laminin receptor genes C. Functional inactivation of the Rb protein D. Increased expression of epidermal growth factor receptor