If you were using cladistics to construct a phylogenetic tree of birds, what is the best outgroup?
A. eastern bluebirds
B. bats
C. robins
D. eagles
Answer: B
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In the figure, at the arrow marked II, what enzyme(s) are being utilized?
A) reverse transcriptase B) viral DNA polymerase C) host cell DNA polymerase D) host cell RNA polymerase E) host cell DNA and RNA polymerases
Few genes in all organisms have common evolutionary roots
Indicate whether the statement is true or false.
Where does the initiator protein bind DNA at the start of replication?
A) At a replication fork B) At an origin of replication C) At any AT-rich region D) At a promoter region E) At a start codon
A mutation within a gene that will insert a premature stop codon in mRNA would ________
A) result in a longer polypeptide chain B) result in a shortened polypeptide chain C) change the location at which transcription of the next gene begins D) have the same effect as deleting a single nucleotide in the gene