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What are the specialized structure in the cell membrane that are involved in communication?
Receptors and receptor proteins
What are receptor proteins made up of?
Receptor proteins are typically composed of amino acids arranged in specific sequences to form a three-dimensional structure. These proteins have binding sites that allow them to interact with specific ligands, such as hormones or neurotransmitters, to initiate a cellular response. The specific structure of a receptor protein determines its ability to recognize and bind to particular ligands.
What type of membrane proteins allow cells to identify one another?
Receptor proteins.
Alcohol inhibits transmission of nerve signals by?
changing the neuron membrane structure, which changes the shape of receptor proteins
Each lymphocyte has thousands of receptor proteins in its membranes. What is the job of these receptor proteins?
To recognize antigens.
Are receptor proteins membrane proteins or are they found in other cellular compartments?
Receptor proteins are typically membrane proteins, meaning they are located on the cell membrane.
How proteins are suited for their roles as receptor molecule?
Mark scheme: - Many different sorts of proteins - Different primary structure/sequences of amino acids - Tertiary structure - Shape; allowing formation of receptor/binding site/site into which substrate/substrate fits
Most receptor proteins are embedded in the?
Receptor proteins are embedded in the lipid bilayer of the cell membrane.
Each lymphocyte has thousands of receptor in its membranes What is the job of these receptor proteins?
To recognize antigens.
A protein on the cell membrane binds and recognized to specific substance is called a?
It is called a receptor protein.
Where are receptor proteins found?
In the cell membrane.
What would be least affected by defective receptor proteins on a cell membrane?
The transport of nutrients and waste across the cell membrane would be least affected by defective receptor proteins. This is because transport proteins, not receptor proteins, are primarily responsible for moving molecules across the cell membrane.
