according to what i read online it's the blood glucose, as the muscle leaves this blood for the brain use, because brain doesn't store glucose or glycogen as liver and muscle, and the only supply of glucose to brain is via blood glucose
calcium
Muscle requires glucose, and so there is not the same concentration of glucose in blood entering and exiting a muscle. The exiting blood will be lower in glucose.
A type of bal that can't be degraded.
Glucose transport into muscle cells is primarily facilitated by the glucose transporter 4 (GLUT4) carrier protein. This transporter is insulin-responsive and plays a crucial role in regulating glucose uptake by muscle cells to meet energy demands during exercise and recovery.
No, muscle cells do not release glucose into the blood. Instead, they take up glucose from the blood to use as fuel for energy production during muscle contraction. Glucose release into the blood is primarily regulated by the liver through a process called gluconeogenesis.
During respiration, glucose is delivered to muscle cells primarily through the bloodstream. After carbohydrates are digested, glucose is absorbed into the bloodstream from the intestines and transported to various tissues, including muscles. Insulin, a hormone produced by the pancreas, facilitates the uptake of glucose into muscle cells by promoting the translocation of glucose transporters to the cell membrane. Once inside, glucose is metabolized to produce ATP, the energy currency needed for muscle contraction.
glucose
4 molecules of ATP are produced per molecule of glucose in glycolysis, but 2 are needed (used, degraded, etc.) to start the reaction, so there is really only a net gain of 2 ATP in the process of glycolysis.
It lacks the enzyme glucose 6-phosphatase.
My degraded self feels degraded as I am forced to write a degraded sentence that has the degraded word degraded in it.
Liver glycogen can easily produce glucose by glycogenolysis and that can be used by local cells for respiration. but as muscle cells lack Glucose-6-phosphate , in muscle glycogen cannot get transferred to glucose and hence cannot be used locally.
When you consume starch, enzymes in the digestive system break it down into glucose. The glucose is then absorbed into the bloodstream and transported to muscle cells in your legs. Inside the muscle cells, glucose undergoes cellular respiration to produce energy in the form of ATP, which can be used for muscle contractions.