Clathrin-coated vesicles bud from eukaryotic plasma membrane fragments when adaptins, clathrin, and dynamin-GTP are added. A. adaptins were omitted B. Clathrin was omitted C. Dynamin was omitted D. Prokaryotic membrane fragments were used Viruses are the ultimate scavenger-a necessary consequence of their small genomes. Wherever possible they make use of […]

1. A student is observing a cell under the microscope. It is observed to have supercoiled DNA with histones. Which of the following would also be observed by the student? a. A single circular chromosome b. A nucleus c. Free-floating nuclear material d. No organelles 2. A nurse is instructing […]

1. What are the mechanisms and the mediators of anaphylactic shock? Discuss the type of hypersensitivity reaction and the molecular mechanisms of anaphylactic shock. What are some possible immediate and prophylactic treatment and how do they work? 2. What are differences between the primary and secondary immune response for antibody […]

A foreign America executive finds that a foreign subsidiary in a poor nation has hired a 12-year-old girl to work on a factory floor, In violation of the company’s prohibition on child labor. He tells the local manager to replace the child and tell her to go back to school. […]