To assume the risk of a danger, the plaintiff must: a. engage in a per se negligent act. b. fully understand the nature and extent of the risk. c. have involuntarily, but foolishly, exposed himself to an unknown danger. d. none of the above.

b is dominant over the allele for the white fur.

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products