What is the probability of two parents, genotypes Qq and QQ, having an offspring of genotype QQ.?
A. 1/4
B. 3/4
C. 0
D. 1/2
E. 1
Answer: D. 1/2
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Which of the following statements reflects the first law of thermodynamics?
A. The energy of the starting materials for a reaction will equal the sum of energies of the products plus energy released as heat and disorder. B. The amount of useable energy resulting from a reaction will always be less than the total energy available in the starting materials. C. The entropy of the products of a reaction will always be greater than the entropy of the starting materials. D. The entropy of the starting materials for a reaction will always be greater than the entropy of the products.
The resting potential of a particular nerve cell is ?66 mV. Depolarization of the neuron membrane will shift the membrane potential to
A) ?90 mV. B) ?75 mV. C) 0 mV. D) +45 mV. E) +66 mV.
Class Betaproteobacteria includes all but which of the following genera?
A. Neisseria B. Bordetella C. Lepothrix D. Campylobacter
Parental care of the young is usually associated with species with a Type ___ survivorship curve.
A. I B. II C. III D. I or II (depending on the sex ratio) E. I or III (depending on whether the reproductive strategy is iteroparous or semelparous)