Actinopterygians have thicker fins than other fish, since their fins are used as hydrofoils
a. true
b. false
Answer: b. false
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What is a major difference between meiosis II and mitosis in a diploid animal?
A) Homologues align on the metaphase plate in meiosis II. B) Sister chromatids separate in mitosis, and homologues separate in meiosis II. C) Meiosis II occurs in a haploid cell, while mitosis occurs in diploid cells. D) Crossover takes place in meiosis II.
The “A” in AIDS stands for ____
a. adaptive b. active c. acquired d. autoimmune e. artificial
In the mid-1970s a group of scientists asked the National Academy of Sciences to appoint a panel to assess the risks of
recombinant DNA technology and the need to control its associated research. Summarize the most important lesson learned from this event. What will be an ideal response?
Which of the following is the thinnest?
A) An intermediate filament B) A microfilament C) A flagellum D) A microtubule