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What does a carrier protein do in the process of transporting molecules across a cell membrane?
A carrier protein helps transport molecules across a cell membrane by binding to specific molecules and changing shape to move them across the membrane.
What are found in all metabolically active cells and are involved primarily in transporting materials?
Membrane-bound organelles such as mitochondria and endoplasmic reticulum are found in all metabolically active cells and play a crucial role in transporting materials within the cell. These organelles help regulate cellular metabolism by facilitating the movement of molecules and ions across the cell membrane.
What is the process of forcing materials across a membrane?
Osmosis.
How are peripheral and integral proteins different in terms of their functions within the cell membrane?
Peripheral proteins are loosely attached to the cell membrane and are involved in cell signaling and communication. Integral proteins are embedded within the membrane and are responsible for transporting molecules across the membrane and maintaining its structure.
A non-energy requiring process that moves materials across a cell membrane with the concentration gradient.?
Passive transport is a non-energy requiring process that moves materials across a cell membrane with the concentration gradient. This process includes simple diffusion, facilitated diffusion, and osmosis.
Which type of transport is the coupled passage of two materials across a membrane?
Symport is the type of transport that involves the coupled passage of two materials across a membrane in the same direction. It relies on a concentration gradient to move both substances across the membrane simultaneously.
What is the process of moving materials across membrane with energy?
active transport
What 2 materials move across the cell membrane?
waste and nutrients
How are facilitated diffusion and active transport different in terms of their mechanisms of transporting molecules across the cell membrane?
Facilitated diffusion uses transport proteins to move molecules across the cell membrane with the concentration gradient, while active transport requires energy to move molecules against the concentration gradient.
What is the process that utilizes a carrier to move materials across the plasma membrane in the direction of the concentration gradient that does not use ATP?
Active Transport
What is the process that utilizes a carrier to move marerials across the plasma membrane in the direction of the concentration?
Diffusion is what carries materials across the plasma membrane. The diffusion cannot be moved across water.
How does the cell transport materials across the cell membrane?
a cell transports things across the cell membrane from areas of high concentration to ares of low concentration
