Read the following article: Jacobson, J. (2013).Navigating the PSA screening dilemma. American Journal of Nursing, 113(1), 19-21. doi:10.1097/01.NAJ.0000425741.91354.c4 Initial Discussion Post: Should men without symptoms of prostate disease get PSA tests to screen for prostate cancer? What are the risks associated with PSA testing?  Do the risks outweigh the benefits?  […]

1. Many organisms that can reproduce both sexually and asexually share a reproductive pattern. When the environment is favorable for growth, reproduction is asexual. When the environment deteriorates, sex occurs. Sexually produced offspring remain dormant until better conditions occur. Which of the theoretical ideas about the function of sex is […]

·    Water Discussion Topic  One student looked at the relationship between photosynthesis and respiration and thought that plants could survive without animals.  How are carbon dioxide and oxygen used by plants and animals? Does this have an impact on whether plants need animals?  Are there any circumstances other than metabolism […]

In common wheat kernel color varies from red to white, the genes for kernel color acting additively. Phenotypic classification of segregating progenies between red and white kernel varieties is possible. a) A cross is made between a dark red kernel R1R1R2R2 and a white kernel r1r1r2r2 variety. Give the genotype […]