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Starch molecules present in a maple tree are made from materials that originally entered the tree from the external environment?
Simple sugars.
Are starch molecules present in a maple tree are made from materials that originally enter the tree from what external environment?
Inorganic compounds
Do cells break down molecules?
Maintaining a stable external environment
What does exocytosis transport?
Exocytosis transports large molecules, such as proteins and lipids, out of the cell. These molecules are packaged into vesicles within the cell and then released to the external environment when the vesicles fuse with the cell membrane.
Which is not a basic function of a cell A.Maintaining a stable external environment B.Making macromolecules for an organism C.Breaking down molecules D.Removing waste from the cell?
Answer this question… Maintaining a stable external environment
What is the external boundary of cell which regulates flow of materials into and out of the cell?
It is called the cell membrane. This is in Plant and animal cells, although the plant cell has the cellulose wall as well. The cell membrane is semi permeable. Water molecules can pass easily through it through a process call osmosis (the diffusion of water molecules).
What is the cellular structure that separates the cytoplasm from the external environment?
The plasma membrane is the cellular structure that separates the cytoplasm from the external environment. It is a phospholipid bilayer embedded with proteins that selectively controls the passage of molecules into and out of the cell.
What is direct external environment and indirect external environment?
distinguish between direct& indirect environment
Is air in the lungs in the external environment or the internal environment of the body?
Is food in the stomach in the external or internal environment of the body?
For a cell to maintain the appropriate balance of materials inside and outside of the cell materials must be able to move in and out of the cell The degree in which materials are able to flow fre?
The degree to which materials can freely move in and out of a cell is regulated by the cell membrane. The cell membrane is selectively permeable, allowing certain molecules to pass through while restricting others. This helps the cell maintain its internal balance and respond to its external environment effectively.
What cell structure that allows cummunication between internal and external cell environment?
The cell membrane is the structure that allows communication between the internal and external cell environment. It controls the movement of molecules in and out of the cell, helping to maintain homeostasis and respond to changes in the cell's surroundings.
What keeps cells contents separated from external environment?
Cell contents are separated from the external environment by the cell membrane. Cells are also separated by the external environment when they are in the bloodstream in the capillaries and veins.
