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A analyzer believes that cow’s tail is used to ward off deer flies before they can bite. He attempts to correlate tail length with the number of welts caused by these flies biting cows. He samples 6 cows from the herd and finds: Cow Tail length(cm) Welts 1 20 55 […]

Topic: The Immune System Immunity is a biological term that describes a state of having sufficient biological defenses to avoid pathogens or antigens capable of causing an immune response.  Immunity involves both specific and non-specific components. In this week’s discussion, we are going to discuss how the Immune System functions from […]

A graduate student injects 8 rats with a chemical compound commonly found in the environment and finds that all of the rats die within a few days. Eager to publish her results, the student comes to you, her adviser. What would you suggest the student do before publishing his results? […]

You have recently isolated the cDNA of a gene from mouse lymphoid tissue. So far, you’ve sequenced the ORF and analyzed the predicted protein product by comparison with the protein data basis available and your protein appears to contain a DNA binding motif. From the database comparison you have done, […]