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Cells get energy from the breakdown of food molecules through a process called cellular respiration. In cellular respiration, glucose is converted into ATP (adenosine triphosphate), which is the main energy currency used by cells for various activities. This process occurs in the mitochondria of the cell.
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Approximately 95 percent of the energy needed to keep a cell alive is generated by the activity of the?
mitochondria. These organelles are responsible for converting nutrients into ATP, the cell's main energy source, through a process called cellular respiration. Mitochondria are often referred to as the powerhouses of the cell due to their crucial role in energy production.
What 3 factors that affect how much energy a person needs?
Basal metabolic rate: The energy required for basic bodily functions such as breathing, circulation, and cell production. Physical activity level: The more active a person is, the more energy they require to fuel their movements. Age and gender: Men generally require more energy than women, and energy needs decrease with age due to changes in muscle mass and activity level.
What three factors determine the amount of energy required for an activity?
the three factors that determine the energy cycle are solar power, electricity, and heat.
Is a solar cell an energy source?
A solar cell is not an energy source, but an energy converter. In the case of solar, the energy source is light, and the solar cell converts it from light energy to electrical energy.
What energy does a dry cell possess?
A dry cell possesses chemical energy that is converted into electrical energy when the cell is connected in a circuit. This chemical energy comes from the reaction between the chemicals inside the cell, typically involving a combination of zinc and manganese dioxide.
What is the substance that supplies energy to fuel cell activity?
The substance that supplies energy to fuel cell activity is typically hydrogen. It is used as the fuel source in the anode compartment of the fuel cell and undergoes a reaction that produces electrons and protons, which then generate electricity.
Which activity can occur without use of energy?
Movement of water across the cell membrane
What part of the cell creates energy for cellular activity by the process of aerobic respiration?
mitochondria
What activity happens in a plant cell but not in a animal cell?
Primarily that answer is Photosynthesis, or the production of food for the plant through the abosorption of solar energy.
Which activity can occur without the use of energy?
Movement of water across the cell membrane
What organelle releases energy for metabolic activity in a nerve cell?
Mitochondria
What does iodine do to the activity inside the cell?
It stops the activity within the cell.
Where does most of the metabolic activity in a cell occur?
Most of the metabolic activity in a cell occurs in the mitochondria, where energy production through cellular respiration takes place. Additionally, the cytoplasm is also important for various metabolic processes such as glycolysis and protein synthesis.
What carries out an activity for a cell and keeps it alive?
Mitochondria are responsible for generating energy in the form of ATP for the cell through the process of cellular respiration, which provides the necessary fuel and energy to keep the cell alive and carry out its activities.
Which is the molecule that is broken down and reformed at higher rate when the cells metabolic activity increases?
The molecule that is broken down and reformed at a higher rate when cell metabolic activity increases is adenosine triphosphate (ATP). ATP serves as the primary energy currency of the cell, providing the energy needed for various cellular processes. When metabolic activity is high, cells require more ATP for energy, leading to increased breakdown and synthesis of ATP.
What is the part of the cell that determines the cell's activity?
The nucleus regulates the cell's activities, because it controls what the cell does, what comes inside the cell and leaves the cell. It acts like the 'brain' of the cell.
Does cellular metabolism pertain to the movemnet of a cell or the chemical activity of a cell?
Chemical activity
