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What are the names of small molecules after digestion for protein?
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What happens to small molecules of protein in the mouth?
In the mouth, small molecules of protein are broken down by enzymes called proteases. These enzymes break down the protein molecules into smaller peptides and amino acids, which can then be absorbed through the lining of the small intestine for use by the body.
Does simple diffusion require a helper protein?
No, simple diffusion does not require a helper protein. It is the passive movement of molecules across a cell membrane from an area of higher concentration to an area of lower concentration, relying on the concentration gradient. This process occurs directly through the lipid bilayer of the membrane for small, nonpolar molecules like oxygen and carbon dioxide.
How do small polar molecules pass through the plasma membrane?
Small polar molecules can pass through the plasma membrane through a process called simple diffusion, where they move from an area of high concentration to low concentration without the need for energy or a transport protein.
What is the role of protein channelsin the cell membrane?
Protein channels allow the cell membrane to transfer large molecules across it. Remember, diffusion only occurs with small molecules. Protein channels are a necessity to transfer larger molecules.
Two molecules that move across membrane using simple diffusion?
Oxygen and carbon dioxide are two small molecules that can move across cell membranes using simple diffusion. This process occurs because these molecules are small enough and nonpolar, allowing them to pass through the lipid bilayer without the need for a transport protein.
Why small molecule - protein interactions are generally domninated by hydrophobic interactions?
Small molecule-protein interactions are often dominated by hydrophobic interactions because small molecules tend to have nonpolar hydrophobic regions that can interact favorably with hydrophobic amino acid side chains in the protein's binding site. This can lead to stable binding and strong affinity between the small molecule and the protein. Additionally, hydrophobic interactions can play a crucial role in determining the specificity and selectivity of the binding between small molecules and proteins.
What molecules would easily be able to diffuse through a cell membrane without the help of a transport protein?
Small, nonpolar molecules like oxygen, carbon dioxide, and water can easily diffuse through the cell membrane without the need for a transport protein. Their small size and lipophilic nature allow them to pass through the lipid bilayer of the membrane via simple diffusion.
What are large molecules made up of small molecules called?
AnswerIt can be a peptide, if it is of medium size, and the biggest is a protein molecule. A large molecule made up of amino acids may also be an enzyme.
What is an example of simple protein?
SSome scientists call protein a small peptides, that is, molecules with less than 25 amino acids. However, a typical small and very important protein is the insulin. This protein is crucial for the metabolism to regulate glucose in blood stream. Insulin is formed by two amino acid chains called A chain (21 residues) and B chain (30 residues), with small variants within mammal species.
What are the properties of solutes that can cross a membrane by simple diffusion?
Solutes that can cross a membrane by simple diffusion are typically small, nonpolar molecules or lipid-soluble molecules. These solutes can move freely across the lipid bilayer of the cell membrane without the need for a protein channel or transporter. Examples include gases like oxygen and carbon dioxide, as well as small hydrophobic molecules.
What is a small protein channel that allows the passage of ions and small molecules between cells?
A gap junction is a small protein channel that allows the passage of ions and small molecules between cells. Gap junctions play a crucial role in facilitating communication and coordination between cells.
