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What exports and imports materials in the cell?
The endoplasmic reticulum (ER) is responsible for exporting proteins and lipids out of the cell, while the Golgi apparatus packages and modifies these materials for export. Import of materials into the cell is primarily facilitated by receptor-mediated endocytosis, where materials are engulfed by the cell membrane and brought into the cell in vesicles.
Are waste materials carried out of a cell by diffusion?
Not typically. Waste materials are usually transported out of a cell through processes like exocytosis, where vesicles containing the waste fuse with the cell membrane and release their contents outside the cell. This is because diffusion alone might not be efficient enough to remove waste materials quickly from the cell.
What are the principles of tonicity?
The principles of tonicity include hypertonic solutions causing cells to shrink due to water leaving the cell, isotonic solutions maintaining equilibrium between water leaving and entering the cell, and hypotonic solutions causing cells to swell due to water entering the cell. Tonicity is related to the concentration of solutes compared to the concentration of solutes inside the cell.
What are the special structures in the cell that allow materials such as water and sugar to pass through?
The cell membrane is the special structure that allows materials to pass through, utilizing channels and transport proteins to facilitate the movement of water and sugars in and out of the cell. This selective permeability helps regulate the internal environment of the cell and maintain homeostasis.
What is the removal of solid cell waste called?
The removal of solid cell waste from a cell is called exocytosis. This process involves the fusion of vesicles containing waste materials with the cell membrane, releasing the waste outside of the cell.
Does the cell membrane keep materials from entering or leaving the cell?
yes, the cell membrane does keep material from entering or leaving the cell -karla cruz 7th grade
What surrounds materials to be moved into or out of a cell?
a vacuole sorrounds any materials that are being taken out of the cell. they are made of lipids from the cell membrane if coming into the cell, or made of lipids from other organelles in the cell if leaving the cell
What is The process of substances leaving a cell called?
The process of substances leaving a cell is called diffusion. The cell membrane is a selective permeable membrane that only allows certain materials to enter or leave the cell.
Why is surface area an important factor in limiting factor in limiting cell growth?
The materials entering or leaving a cell need to pass through the cell surface.
Which term refers the movement of materials through a cell membrane without using the cell's energy?
active transport
Which term refers to the moventment of materials through a cell membrane without using the cells energy?
passive transport
Which term refers to the movement of materials through cell membrane without using the cells energy?
active transport
What is a cell's internal supporting framework?
A cell's internal supporting framework is called the cytoskeleton. It is a network of protein filaments that provides structural support to the cell, helps in cell movement and division, and facilitates the transport of materials within the cell.
What materials do you need for an animal cell?
animal cell materials for a project
Which part of a allows certain materials to enter the cell and other materials to exit the cell?
This part of the cell is refferred to as the cell 'membrane'
What controls the entering and leaving of a cell?
cell (plasma) membrane
Which structure helps transport certain materials across the cell membrane?
Protein channels and transporters help transport specific materials across the cell membrane. These proteins create passageways that allow ions, sugars, and other molecules to move in and out of the cell.
