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it breaks down in the mitochondra
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∙ 14y ago
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How can a cell that consumes glucose speed up its intake of glucose from the environment?
If there are more carrier proteins, more glucose can enter the cell. This is because the glucose enters the cell through facilitated diffusion.
What controls how the body uses glucose or sugar?
the cell membrane controls everything that enters or leaves a cell
Does glucose enters a cell most rapidly by facilitated diffusion?
it enters most rapidly by facilitated diffusion!!
Which method does potassium enter the cell?
Special sites on the cell unlock to allow the glucose to enter. This is triggered by the presence of a chemical called insulin.
During digestion what molecule enters the cell?
The goal of digestion is to break down food to the glucose level. Only then will it be absorbed into the cell and be used in respiration.
The process by which the cell withdraws energy from glucose is called what?
It is called respiration
What is the process of changing glucose to ATP called?
Cell Respiration
The outer covering of a cell that controls what enters and leaves is called the?
cell membrane
What molecule enters glycolysis?
Glucose
What is the organelle that regulates what enters or exits the cell is called?
its the cell membrane - not to be confused with the cell wall
Which type of organelle energy from glucose that has entered the cell?
In animal cells, the mitochondria are the site of energy generation. Although glucose that enters the cell is first broken down to 2 molecules of pyruvic acid, this substance enters the TCA cycle, whose products act as electron carriers in the electron transfer pathway which ultimately results the in generation of energy by the mitochondria
How insulin signals a cell to take in glucose from the blood?
The insulin binds to insulin receptors on the surface of muscle or liver cells. This opens up little holes in the cell membrane called glucose transporters. Glucose flows through the glucose transporter due to the concentration gradient of glucose being higher in the extracellular environment. This is called diffusion. The membrane only stays permeable (open) to glucose so long as there is insulin bound to the receptors on the cell surface. Eventually the insulin is released and the glucose transporter closes. The cell then starts to digest the glucose via complicated processes called glycolysis and oxidative phosphorylation.
