Refer to Figure 31-5. What is the function of the structure labeled 5?
A. circulation
B. reproduction
C. digestion
D. movement
E. respiration
C
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What is the relationship between recombination frequency and the actual physical distance on a chromosome?
A. As physical distance increases, the recombination frequency increases in a linear fashion. B. As physical distance increases, the recombination frequency decreases in a linear fashion. C. As physical distance increases, the recombination frequency first increases in a linear fashion, but gradually levels off to a frequency of 0.5. D. As physical distance increases, the recombination frequency first increases, but then decreases.
Nephridia are the paired structures used in excretion in
A. planarians. B. humans. C. insects. D. earthworms.
Canis latrans, Canis lupus, and Canis familiaris are all members of the same
A) subspecies. B) family. C) species. D) race. E) genus.
The electron transport chain is based on the principle that redox couples with more positive reduction potentials will donate electrons to couples with more negative potentials.
Answer the following statement true (T) or false (F)