Which of the following statements is false?
A) Archaea and Bacteria are prokaryotic domains.
B) Eukaryotes have a much simpler genetic makeup than prokaryotic cells.
C) Eukarya is a eukaryotic domain.
D) Eukaryotic cells evolved from prokaryotic cells.
E) Prokaryotes are unicellular and lack a membrane-bound nucleus.
Answer: B
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Consider the structure of a trophic pyramid when answering the following questions: Why would the world be better off if all humans were vegetarians?
A. More energy can be obtained as a primary consumer, supporting more primary consumers. B. There are more vitamins in plant tissue than in animal tissue; primary consumers would be healthier. C. Eating vegetables is healthier than eating animals.
Sexual reproduction in protists involves diverse strategies. Which of the following is common to all types of sexual reproduction in protists?
A. Isogamy B. Conjugation C. Heterogamy D. Anisogamy E. Syngamy
Describing the protein causing red blood cells to be sickle-shaped is referring to the protein's:
A. phenotypic function B. cellular function C. molecular function
Among the mammals, only some primates (including most humans) have color vision. What was the likely advantage that probably drove the evolution of primate color vision?
A. ability to detect poisonous, warningly colored fruits B. ability to find ripe fruit C. ability to enjoy the esthetic value of pretty flowers D. ability to prepare for winter as portended by autumn colors of leaves E. None of the choices provided is likely correct.