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Why is the lac operon not transcribed when both glucose and lactose are present in the medium?
The lac operon is not transcribed when both glucose and lactose are present because glucose is the preferred energy source for the cell. When glucose is available, the lac operon is repressed, preventing the cell from wasting energy by metabolizing lactose.
What Is a cell's main source of energy.?
A cell's main souce of energy is glucose.
What type of molecule is the MOST common energy source for all cells and enters the cell by facilitated diffusion?
Glucose is the most common energy source for cells and enters cells through facilitated diffusion via glucose transporters, such as the GLUT proteins. Once inside the cell, glucose undergoes cellular respiration to produce ATP, the cell's primary energy currency.
Why need do cell glucose?
Cells need glucose as a source of energy to carry out their various functions. Glucose is broken down through cellular respiration to produce ATP, which is the energy currency of the cell. Without glucose, cells would not be able to generate the energy needed to survive and perform essential activities.
Where does glucose occur?
Glucose occurs naturally in fruits, vegetables, honey, and in the blood of animals as a primary source of energy for living organisms.
Is glucose a source of energy in the cell?
Glucose is a sugar, so yes it is a source of energy.
What is the source of energy for the cell?
glucose
Why is the lac operon not transcribed when both glucose and lactose are present in the medium?
The lac operon is not transcribed when both glucose and lactose are present because glucose is the preferred energy source for the cell. When glucose is available, the lac operon is repressed, preventing the cell from wasting energy by metabolizing lactose.
Is a cell's main source of energy.?
A cell's main souce of energy is glucose.
What carbohydrate is the primary source of energy for a cell?
Glucose
What Is a cell's main source of energy.?
A cell's main souce of energy is glucose.
What is the most common energy source in cell respiration?
Glucose is the most common energy source in cellular respiration.
Why is glucose linked to health issues?
Glucose is the simplest form of sugar and the preferred energy source of the body. Since it is necessary for every cell to have in order for it to live, it becomes easy to realize that many health issues can be linked to how the body uses it.
What is the main energy source for fermentation?
The main energy source for fermentation is glucose, a simple sugar molecule. During fermentation, glucose is broken down into smaller molecules, releasing energy that the cell can use to produce ATP (adenosine triphosphate), the energy currency of the cell.
Which macro nutrient is the major source of energy for cell processes?
Sugar is used by cells and is the preferred source of energy. The human body is best suited for glucose, however, other sugars will be used for energy as well. If something is composed of complex carbohydrates it will be broken down into simple sugars and absorbed by the body.
What organelle converts glucose to energy by the process of cellular respiration?
Mitochondria are specialized organelles that produce energy for the rest of the cell by using glucose. You can think of it as the powerhouse of the cell.
What is the fuel source that is used for glycolysis?
The fuel source for glycolysis is glucose, a simple sugar molecule that serves as the primary source of energy for living organisms. Glucose is broken down through a series of enzymatic reactions in the cell to produce energy in the form of ATP.
