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In cells, substances such as carbohydrates, lipids, and proteins play crucial roles in food storage. Carbohydrates, in the form of glycogen in animals and starch in plants, serve as short-term energy reserves. Lipids, particularly in the form of fats and oils, provide long-term energy storage. Additionally, proteins can be stored as a source of amino acids and energy when needed.
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What does vesicles help maintain by storing and releasing various substances as the cell needs them?
Vesicles help maintain homeostasis within the cell by regulating the storage and release of various substances, such as hormones, neurotransmitters, and enzymes, in response to cellular demands. They aid in transportation of these substances within the cell and facilitate communication between different cellular compartments.
Why is it important to have a cell membrane when there is a cell wall?
The cell membrane allows the movement of substances in and out of the cell while the cell wall just gives the plant cell its firm shape.
What cell part stores the extra food until the cell needs the energy from it?
The cell part that stores extra food until the cell needs energy is called the vacuole. In plant cells, the central vacuole is particularly large and plays a key role in storing nutrients, waste products, and maintaining turgor pressure. In animal cells, smaller vacuoles serve similar storage functions. When the cell requires energy, it can break down stored substances to release it.
These are large compartments within some eukaryotic cells that capture and store food or toxic materials maintain turgor pressure and dispose of unwanted substances from the cell?
These large compartments are called vacuoles. They are found in plant and fungal cells and are responsible for storing nutrients, maintaining the cell's shape through turgor pressure, and assisting in waste removal by storing and breaking down unwanted substances. Vacuoles are versatile organelles with various functions depending on the cell type.
Why is it important that a cell membrane does not allow all dissolved substances to diffuse freely through it?
It is important for a cell membrane to selectively regulate the passage of substances because it helps to maintain cellular homeostasis by controlling the internal environment of the cell. This selective permeability allows the cell to control the movement of specific molecules in and out of the cell, which is crucial for processes such as nutrient uptake, waste removal, and signal transduction. Without this regulation, the cell could be overwhelmed with influx of harmful substances or lose important molecules necessary for proper functioning.
What cell contains water macromolecules and other substances?
A vacuole is a cell organelle that contains water, macromolecules, and other substances. Vacuoles play a role in maintaining cell turgor pressure and storing nutrients and waste products.
What does vesicles help maintain by storing and releasing various substances as the cell needs them?
Vesicles help maintain homeostasis within the cell by regulating the storage and release of various substances, such as hormones, neurotransmitters, and enzymes, in response to cellular demands. They aid in transportation of these substances within the cell and facilitate communication between different cellular compartments.
What does a nucleas do in a cell?
it is the control centre of a cell. it contains DNA. the rest isn't particularly important.
What is the most important energy storing compound that the cell uses to perform its functions?
Adenosine triphosphate (ATP) is the most important energy storing compound used by cells to perform their functions. ATP stores and transfers energy during various cellular processes, such as metabolism and cell signaling.
Why is important to have a cell membrane when there is a cell wall?
The cell membrane allows the movement of substances in and out of the cell while the cell wall just gives the plant cell its firm shape.
Why is it important to have a cell membran when there is a cell wall?
The cell membrane allows the movement of substances in and out of the cell while the cell wall just gives the plant cell its firm shape.
Why is it important to have a cell membrane when there is a cell wall?
The cell membrane allows the movement of substances in and out of the cell while the cell wall just gives the plant cell its firm shape.
What cell part stores the extra food until the cell needs the energy from it?
The cell part that stores extra food until the cell needs energy is called the vacuole. In plant cells, the central vacuole is particularly large and plays a key role in storing nutrients, waste products, and maintaining turgor pressure. In animal cells, smaller vacuoles serve similar storage functions. When the cell requires energy, it can break down stored substances to release it.
These are large compartments within some eukaryotic cells that capture and store food or toxic materials maintain turgor pressure and dispose of unwanted substances from the cell?
These large compartments are called vacuoles. They are found in plant and fungal cells and are responsible for storing nutrients, maintaining the cell's shape through turgor pressure, and assisting in waste removal by storing and breaking down unwanted substances. Vacuoles are versatile organelles with various functions depending on the cell type.
Why is it important that a cell membrane does not allow all dissolved substances to diffuse freely through it?
It is important for a cell membrane to selectively regulate the passage of substances because it helps to maintain cellular homeostasis by controlling the internal environment of the cell. This selective permeability allows the cell to control the movement of specific molecules in and out of the cell, which is crucial for processes such as nutrient uptake, waste removal, and signal transduction. Without this regulation, the cell could be overwhelmed with influx of harmful substances or lose important molecules necessary for proper functioning.
Is the smooth er important and why?
Yes, the smooth endoplasmic reticulum (SER) is important in lipid metabolism and detoxification processes in the cell. It plays a crucial role in synthesizing lipids, storing calcium ions, and detoxifying harmful substances by metabolizing drugs and alcohol.
How does a vacuole help maintain homeostasis in a cell?
A vacuole helps maintain homeostasis in a cell by storing and regulating the concentration of ions, nutrients, and waste products. It can also help with water balance by controlling the osmotic pressure within the cell. Additionally, vacuoles may have specialized functions depending on the cell type, such as storing pigments or toxic substances.
