The cleavage of glycogen by glycogen phosphorylase releases ________. Naim 01:52 AP Biology Practice Questions The cleavage of glycogen by glycogen phosphorylase releases ________. A) glucose-1-phosphate B) cellulose C) galactose-1-phosphate D) fructose-1-phosphate E) nothing; glycogen phosphorylase cannot cleave glycogen Answer: A Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+