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According to the textbook, gender is the social construct that is assigned and learned based on cultural concepts about the nature of sex differences and their place in social life. In your forum response, pick one of the alternative genders discussed in the textbook, and explain how these gender roles […]

1) Describe the differences between embryonic, somatic cell nuclear tranfer, and induced pluripotent stem cells . 2) How does PCR work and why is it useful? 3) Name and describe four evidence of evolution. 4) A population has only two alleles, A and a, for a particular gene. The allele […]

1. Marlene has had lymph nodes removed from her armpit. Why would removal of lymph nodes cause swelling in her hand and arm? 2. Is lymph more similar to blood plasma or to interstitial fluid? Explain your answer. 3. (fill in the blank) Fluid from the legs passes through lymphatic […]

In one day the average person secretes about 2.5 litres of gastric juice into the stomach. The pH of the cells in the stomach lining that perform the secretion is about 7 (the same as for all cells) and the pH of the stomach is about 1. Thus, H+ ions […]