<prompt> During fasting, which of the following is released from the muscles?AlanineGlutamineBranched keto acidAsparagine  <response>: Alanine is formed from glucose in muscles during fasting conditions. This alanine comes out in blood, then taken up by liver In liver it is conveed back to glucose by a pathway known as gluconeogenesis. Then this glucose is again supplied to the fasting muscle. So, a cycle is formed known as Cahill cycle see treasure. 