If, someday, an archaean cell is discovered whose rRNA sequence is more similar to that of humans than the sequence of mouse rRNA is to that of humans, the best explanation for this apparent discrepancy would be _____
A) homology
B) homoplasy
C) common ancestry
D) retro-evolution by humans
B
Biology & Microbiology
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Daughters of a cross between a white-eyed male and a red-eyed female always have red eyes
A. true B. false
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In what way are bacteria and fungi similar?
A. Ecological function B. Cell wall components C. Design of the nucleus D. Ribosome structure
Biology & Microbiology
Unselfish acts that help others in a group so that they increase their chances of surviving and reproducing is called
A) altruistic behavior. B) selfish behavior. C) natural selection. D) inclusive fitness. E) sexual selection.
Biology & Microbiology
Which of the following conditions would be the LEAST likely to result in peritonitis?
A) Stomach rupture B) Splenic laceration C) Acute appendicitis D) Bowel perforation
Biology & Microbiology