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Describe the functions of two types of cell membrane proteins?
cell-surface marker: identifies cell type receptor protein: recognizes and binds to substances outside the cell enzyme: assists chemical reactions inside the cell transport protein: helps substances move across the cell membrane source of information: "Biology principles and explorations" by Holt, Rinehart and Winston
Substances produced in a cell and exported outside of the cell would pass through the?
Substances produced in a cell and exported outside of the cell would pass through the cell's plasma membrane via a process called exocytosis. Exocytosis involves the fusion of vesicles containing the substances with the plasma membrane, allowing the substances to be released outside the cell.
What is the movement of large substances out of the cell?
Exocytosis is the process by which large substances are moved out of the cell. This involves the fusion of vesicles containing the substances with the cell membrane, releasing the substances outside the cell.
How is exocytosis different from endocytosis in cellular processes?
Exocytosis is the process by which cells release substances outside of the cell, while endocytosis is the process by which cells take in substances from outside the cell. In exocytosis, vesicles fuse with the cell membrane to release their contents, while in endocytosis, the cell membrane engulfs substances to bring them into the cell.
What is the difference between exocytosis and endocytosis in cellular processes?
Exocytosis is the process by which cells release substances outside of the cell, while endocytosis is the process by which cells take in substances from outside the cell by engulfing them in a vesicle.
Recognizes and binds to substances outside of the cell?
Receptor proteins.
A protein on the cell membrane that recognizes and binds to specific substances is called a?
Enzyme
What recognize a hormone's chemical structure?
A target cell is a cell in the body that recognizes a hormone's chemical structure. It is a cell to which a hormone binds chemically.
Describe the functions of two types of cell membrane proteins?
cell-surface marker: identifies cell type receptor protein: recognizes and binds to substances outside the cell enzyme: assists chemical reactions inside the cell transport protein: helps substances move across the cell membrane source of information: "Biology principles and explorations" by Holt, Rinehart and Winston
What must occur for a message to be sent from the outside of the cell to the inside of cell?
A signaling molecule binds with a membrane protein
What must occur for a message to be sent from outside of the cell to the inside of a cell?
A signaling molecule binds with a membrane protein
Substances produced in a cell and exported outside of the cell would pass through the?
Substances produced in a cell and exported outside of the cell would pass through the cell's plasma membrane via a process called exocytosis. Exocytosis involves the fusion of vesicles containing the substances with the plasma membrane, allowing the substances to be released outside the cell.
What allows a cell to stockpile substances in far greater concentrations than they occur outside a cell?
Active transport allows a cell to stockpile substances in far greater concentration that they occur outside the cell.
What cell organelle packages cellular Substances for transport outside of the cell?
lysosomes
What recognizes a hormone's chemical structure in the endocrine system?
Hormone receptors on cell membranes recognize a hormone's chemical structure in the endocrine system. When the hormone binds to the receptor, a cell changes its behavior.
Substances outside a cell are transported into the cell by vesicles during?
Substances outside a cell are transported into the cell by vesicles during endocytosis. This process involves the formation of a vesicle that engulfs the particles or molecules outside the cell, then fuses with the cell membrane to bring the contents into the cell.
What is the movement of large substances out of the cell?
Exocytosis is the process by which large substances are moved out of the cell. This involves the fusion of vesicles containing the substances with the cell membrane, releasing the substances outside the cell.
