A human cell contains a length of DNA that carries the code for making glycogen.
Glycogen is the stored form of glucose that's made up of much-connected glucose. The main source of energy in the human body is sugar or glucose.
The function of glycogen is when the body needs quick energy to do work and when the body is inadequate in the presence of glucose, then glycogen is broken down to release into the bloodstream and used as energy.
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The complete question is,
A human cell contains a length of DNA that carries the code for making which substances?
A. fat
B. glycogen
C. Lipase
D. starch