Explain why energy is stored in the form of glycogen in muscle cells

In the muscle it seems to be mainly used for energy purposes as metabolic fuel for glucolysis producing glucose 6-phosphate

glycogen plays a crucial role as a systemic and cellular energy source and also as an energy store.

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Glycogen is also stored in muscles and fat cells. In the muscle it seems to be mainly used for energy purposes as metabolic fuel for glucolysis producing glucose 6-phosphate. Thus, glycogen plays a crucial role as a systemic and cellular energy source and also as an energy store.

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is called echinoderms

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.