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What happens if intact proteins are transported across the villus epithelium?
Wiki User
∙ 9y ago
Absorption occurs when intact proteins are transported across the villus epithelium. This process occurs through either diffusion or active transport.
Wiki User
∙ 9y ago
Wiki User
∙ 10y agoWhen proteins enter the villi they first break down into peptides and the into amino acids. After this they enter the blood capillaries.
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Materials essential to life processes move across a cell membrane through a variety of methods What cell membrane structure allows water-soluble materials to be passively transported to the cytoplasm?
carrier proteins
How do avascular tissue receive nutreints?
By diffusion or absorption across the apical or basal surfaces of Epithelium.
What are two roles of the membrane proteins?
There are two main roles of the membrane proteins. Membrane proteins act as channels across the lipid bilayer. They also act as carrier molecules that transfer substances across the membrane.
Do channel proteins provide a continuous path across the membrane?
Yes, only channel proteins provide a continuous path across the plasma membrane. Carrier proteins do not provide a continuous path but do require conformational changes in order to transport solutes across the membrane.
What cell membrane structure allows water-soluble materials to be passively transported to the cytoplasm?
Carrier proteinsProteins in the cell membrane that assist with facilitated diffusion are known as carrier proteins since they carry materials across the membrane. Carrier proteins bind to a molecule on one side of the membrane, change shapes to shield the molecule from the lipid bilayer, and then release the molecule on the other side of the membrane
Why are proteins and polysaccharides cannot be transported across a cell membrane by carrier proteins?
They are too large to be transformed by carrier proteins. They are moved across by Vesicles instead.
When Fatty acids are hydrolyzed they yield what?
transported across fat cell membranes by fatty acid binding proteins
What theater was transported across the thames river?
The Theatre it was transported across to create the Globe
What is the mechanism for absorption of water across the intestinal epithelium?
Osmotic gradients control the inflow and outflow of water across any membrane, whether epithelium or phospholipid barrier.
What happens if a molecule is too large to go through a membrane?
The molecule will be transported across the membrane by way of a transport protein or protein channel.
How is water transported across the membrane?
Water is transported by a passive transport called osmosis. Osmosis is diffusion of water across the membrane.
How can coal oil and gas be transported across the ocean?
they can be transported by tankers which are like boats.
What happens when electrons are transported down the electron transport chain?
Hydrogen ions are pumped across the mitochondria's inner membrane producing a concentration gradient
What is transportation work?
"In transport work, ATP drives the active transport of solutes across a membrane against their concentration gradient by phosphorylating transport proteins". (Solutes are transported.) Save the animals!! :D
Site from which oxygen enters the pulmonary blood?
Oxygen passes through the membrane by diffusion. Most other molecules must be transported (carried) across by proteins which reside within the cell membrane.
Materials essential to life processes move across a cell membrane through a variety of methods What cell membrane structure allows water-soluble materials to be passively transported to the cytoplasm?
carrier proteins
What type of epithelial membrane has variable types of epithelium depending on where it is located?
This is true with all the epithelial tissue. You have different type of epithelium on your palm and sole. You have different type of epithelium in your nose than trachea and bronchial tree. You have different type of epithelium across the GI tract.
