Do the on the Federal Reserve: (write about 300 words)

What are some of the ways in which the Federal Reserve provides banking services to commercial banks and to the federal government?
In your own words, briefly explain how changing reserve requirements and changing discount rates can change lending behaviors.
When considering the Board of Governors selection process and the structure of the Federal Reserve, do you think the Federal Reserve is adequately insulated from political pressure? Should the Federal Reserve be insulated from political pressure? Why or why not?