Poly U, an artificial mRNA, was added to a test tube with all other components for protein synthesis (“Complete system”). Other test tubes differed from the complete system as indicated in the table. Samples were tested for radioactive phenylalanine incorporation. with the results in the table below. Explain the results […]

1) In stenchblossoms, 2 genes control flower color.  The all-recessive phenotype (aabb) is pale green.  The product of the dominant “A” allele converts the flower to pink.  The product of the dominant “B” allele converts the pink pigment to yellow.  A pale green flower named Max mates with a pink […]

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? […]