Which of the following statements about Hymenoptera is not correct?
A. They exhibit care of the young with clear
and consistent division of labor between
reproducer (queen) and non-reproducers
(workers).
B. Group benefits come from living in and
defending the nest.
C. Sex determination includes diploid females
(queen and workers) and haploid males
(drones).
D. Degree of relatedness (r) is higher for
sister–sister relationships (0.75) than for
mother–daughter relationships (0.5).
E. In terms of genetic representation in the
next generation, it is better for the workers to
produce more offspring rather than help the
mother produce more sisters.
E
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Which of the following is NOT true of the
effects of UV light on DNA?
a. it breaks DNA into pieces b. it causes kinks in the DNA molecule c. it causes the formation of nucleotide dimers d. it causes covalent bond formation between adjacent thymines e. it causes permanent mutations
Hydropower and wind power are similar in that both are
A) dependent in part on fossil fuels B) nonrenewable energy sources C) sources of environmental pollution D) renewable energy sources E) commonly used worldwide as power sources
Why is it difficult to treat fungal infections in humans?
A. Fungal cells cause chytridiomycosis. B. Fungal cells are dikaryotic. C. Fungal cells have a chitonous cell wall. D. Fungal cells are eukaryotic
Protection, absorbtion, secretion of digestive enzymes
A. Pseudostratified columnar B. Simple columnar C. Simple cuboidal D. Simple squamous E. Stratified squamous F. Transitional