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What if we add specific membrane characteristics into the mix? Let’s say that you also find a fossil record of a different, related antelope species that apparently had motor neurons with different characteristics. In fact, because you are a magical neuroscientist, you are able to determine the neuron had a […]

Protein “Z” is a highly glycosylated phosphoprotein. This protein is known to be produced by fibroblasts and is present abundantly in the extracellular matrix (ECM) of the periodontal ligament (PDL). Describe the exocytosis pathway of this protein: from the site at which it is made to the place (i.e., ECM […]

Don had been consuming alcohol for 15 years. He started with one drink after work with his friends. Somehow, what started with one drink, over the years led to hours of drinking with his friends and then to drinking alone after work. He worked as a skilled laborer when he […]

The following table shows several bacterial strain lac operon genotypes (some are partial diploids). a) Fill in the blanks in the “lactose absent” and “lactose present” columns in this table. (+) means significant levels of active ß-galactosidase enzyme can be detected. (–) means no significant levels of active ß-galactosidase enzyme. […]