You tell researchers at the time that the spike protein is t…

You tell researchers at the time that the spike protein is the best vaccine candidate.  Complete the following prompts to provide evidence to support your claim. Describe the structure of the spike protein.  Be sure to name any important subunits and/or regions of the spike protein. (Limit your answer to five sentences) The spike protein is involved in which step or steps of the infection cycle? (Limit your answer to three words) Describe the role of the spike protein in the infection cycle.  Be sure to include any important interactions with the other host or viral structures.  (Limit your answer to five sentences)