Asalt bridge between an arginine and a glutamic acid has the two bridging atoms 3.5 å apart. assume that these bridging atoms have elementary charges of +1 and –1, respectively. what is the energy if the residues are a) on the protein surface (ε = 80) and b) in the core of the protein (ε = 2)?

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Plants use the energy from the sun to convert a) water into sugar. b) carbon dioxide into sugar. eliminate c) carbon dioxide into water. d) oxygen into carbon dioxide.

Which of the following is an accurate statement about pathogens? infection and disease are caused by pathogens living in infectious agents found in the environment. pathogens, which cause infection and disease, are the most abundant organisms in the environment. most organisms in the environment are harmless, except for pathogens, which can cause disease. the environment is rich in infectious agents that transmit disease through pathogens.