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Which of the following immune system cells is the target of the human immunodeficiency virus?             a.  cytotoxic T cells             b.  neutrophils             c.  helper T-cells […]

Tropical oceans are generally low in nutrients and support very little life. Why do tropical coral reefs support such numerous species and populations of plants, invertebrates, […]

Bisphenol A (BPA) binds to estrogen receptor with a Kd of 2.1 x 10-7 M and an association rate of 1.3 x 106 M-1s-1. Calculate the […]

Wild type Arabidopsis is a selfing diploid plant with 2n=10. You notice five different varieties with distinct phenotypes that involve leaves and fruit of abnormal size, […]

1. What would happen (under anaerobic conditions) if fermentation did not occur? 2. What are some foods whose production depends upon lactic acid oralcoholic fermentation? determine […]