Most examples of polyploidy speciation involve
A. plants.
B. mammals.
C. arthropods.
D. prokaryotes.
E. fungi.
Ans: A. plants.
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Which of the following segments of the mammalian nephron receives the filtrate first?
a. distal convoluted tubule b. Bowman's capsule c. descending segment of the loop of Henle d. proximal convoluted tubule e. ascending segment of the loop of Henle
Why does meiosis promote genetic variability?
A. Meiosis undergoes one cell division producing diploid cells. B. Meiosis undergoes one cell division producing haploid cells. C. Meiosis undergoes two cell division producing diploid cells. D. Meiosis undergoes two cell division producing haploid cells.
The transfer of electrons from chlorophyll a molecules to the primary electron acceptor is an example of a/an:
A) synthesis reaction. B) redox reaction. C) light reaction. D) absorption reaction.
Molybdenum is required for the nitrogenase enzyme. Based on this, what plants that you learned about are likely to need the most molybdenum in their soil?
A. pitcher plants B. arabidopsis C. corn D. legumes