What characterizes transport proteins in the membrane?

Understand the Problem

The question is asking about the characteristics of transport proteins in cellular membranes, focusing on their specificity, energy requirement, and interaction with molecules. It requires an understanding of the functions and properties of transport proteins.

Answer

Membrane transport proteins facilitate diffusion and active transport of substances.

Transport proteins in membranes can be characterized as integral and transmembrane proteins. They either facilitate diffusion through channels and pores or conduct active transport using metabolic energy.

Answer for screen readers

Transport proteins in membranes can be characterized as integral and transmembrane proteins. They either facilitate diffusion through channels and pores or conduct active transport using metabolic energy.

More Information

Transport proteins can be channel proteins, which allow passive movement along the concentration gradient, or carrier proteins, which may require energy (ATP) for active transport against the gradient.

Tips

A common mistake is assuming all transport proteins require energy. Passive transport does not require energy and involves movement along the concentration gradient.

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