Cladograms include in the phylogenetic tree shared primitive characters and shared derived characters. The derived characters can also be called ______ while the primitive characters can also be called __________.
A. character states; symplesiomorphy
B. symplesiomorphy; ingroup
C. outgroup; synapomorphy
D. synapomorphy; outgroup
E. synapomorphy; symplesiomorphy
E. synapomorphy; symplesiomorphy
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Sequences of DNA that are identical when read from the 5' to 3' direction on one strand and the 3' to 5' direction on the other strand are ________.
A. palindromes B. reverse transcriptases C. restriction endonucleases D. ligases E. DNA polymerases
_____ is the phase of the cell cycle in which DNA replicates
1.G1 2.S phase 3.G2 4.Mitosis 5.Interphase
Several epidemic microbial diseases of earlier centuries incurred high death rates because they resulted in severe dehydration due to vomiting and diarrhea. Today they are usually not fatal because we have developed which of the following?
A) antiviral medications that are efficient and work well with most viruses B) intravenous feeding techniques C) medications to slow blood loss D) hydrating drinks with high concentrations of salts and glucose
Woody plants have which two compounds in their cell walls?
A) chlorophyll and cellulose B) chitin and lignin C) cellulose and lignin D) chitin and cellulose