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What structure forms the outside boundary of a human body cell?
The outer cell wall may be composed of glucans - sugar based layers, or poly-muco-saccarides, or glycoproteins.Interestingly, while different cell types have different outer boundaries, they all have the same inner boundary: the bi-lipid layer called the cell membrane.
A thin layer covering the outside of cells?
The thin layer covering the outside of cells is called the cell membrane or plasma membrane. The cell membrane is a vital component of all cells, whether they are prokaryotic (lacking a nucleus) or eukaryotic (containing a nucleus). It serves as a selective barrier that separates the internal environment of the cell from the external environment, controlling the passage of substances in and out of the cell. The cell membrane is primarily composed of lipids (such as phospholipids), proteins, and carbohydrates. The phospholipid bilayer forms the basic structural framework of the membrane, with proteins embedded within or attached to the surface. These proteins play various roles, including transport of molecules, cell signaling, and maintaining the structural integrity of the membrane. Overall, the cell membrane is crucial for maintaining cellular homeostasis and allowing cells to interact with their surroundings while protecting their internal components.
Where is the cell membrane located in a plant cell?
The cell wall is the outer-most layer, found outside the cell membrane. Animal cells only have a cell membrane, not a cell wall. Plant, bacteria, fungi and algal cells usually have a cell wall, as well as some archaea.
Through what process does groundwater form?
It rains then that water forms a lake or river then the water soaks down into the ground Then it must stay there for a couple of years then it forms a large amount of clean water This cycle forms groundwater.
Forms framework of outer ear?
The external ear is a cartilaginous structure, covered by thin skin. Elastic cartilage
What visceral membrane forms part of the filtration membrane?
glomerular capsule
Is the visceral pericardium a serous membrane?
Yes, the visceral pericardium is a serous membrane. It is a thin, smooth membrane that covers the surface of the heart and is composed of two layers: an outer parietal layer and an inner visceral layer. These layers secrete a fluid that reduces friction as the heart beats.
What does the visceral peritoneum cover?
The visceral peritoneum covers the abdominal cavity. It essentially forms a serous membrane lining around the abdominal cavity and supports the organs and blood vessels.
What part of the visceral peritoneum drapes over the abdominal organ?
intestine drapes over by visceral peritoneum
What single-celled layer of the epithelium forms the lining of serous membranes?
The serous membrane is composed of 2 thin linings. The inter lining, which directly covers the organ, is called the visceral membrane. Over the visceral is the parietal membrane. In between the two is a cushioning fluid. The serous membrane resembles a balloon (visceral) inside another balloon (parietal) with fluid between them.
The membrane that lies the heart and also forms the valve flaps is the?
This membrane is known as the endocardium. From the inside out, the heart's layers go as so : endocardium, myocardium, epicardium (visceral pericardium), pericardial cavity, and parietal pericarium.
What do you call the infoldings of the inner membrane of the mitochondria?
The infoldings of the inner membrane of the mitochondria are called cristae. These structures increase the surface area of the inner membrane, allowing for more space for chemical reactions involved in cellular respiration to take place.
Where do the reactions of each electron transport chain occur?
In the inner membrane of the mitochondria.
What is parietal and visceral?
(1) On February 8, 2012 at 5:57 am Mysandie [0] said:Learning a little Latin helped me to remember:"visceral" refers to inner"pari" = wall"peri" = around"epi" = upon"endo" = inside"myo" = muscleMost people think of the pericardium as just a double-layered, membranous sac (The Pericardial Cavity) that is around the heart. But, the pericardium is actually TRIPLE layered: the visceral layer, the parietal layer, and the fibrous layer (fibrosa).The visceral pericardium is the inner-most layer of the pericardium, and is also known as the Epicardium as it "lays" upon the heart.The Pericardial Cavity lies between the visceral pericardium and the parietal pericardium. This cavity is filled with pericardial fluid which serves as a shock absorber by reducing friction between the visceral and parietal layers. The parietal pericardium is an outer layering wall of the Pericardial Cavity between the pericardial membranes.The outer-most layer is the fibrous layer (fibrosa), and contains nerves, blood vessels, and lymphatics. This is the layer that can become inflamed, called pericarditis. (As opposed to, endocarditis, which is inflammation of the insidelayer of the heart.)
The enzyme that forms a channel in the inner membrane of the mitochondria and phosphorylates ADP is?
The enzyme you are referring to is ATP synthase. It is responsible for producing ATP by phosphorylating ADP using the proton gradient across the inner mitochondrial membrane.
What is membrane gelling?
Membrane gelling refers to the process where a liquid or sol forms a gel-like structure when it comes into contact with a membrane. This can be used in various applications such as filtration, separation processes, and drug delivery systems. The membrane provides a supportive matrix for the gel formation.
How is the inner membrane of the mitochondria adapted to its function?
The mitochondrial inner membrane forms internal compartments - within the organelle - known as cristae, which allow greater space for the proteins such as cytochromes to function correctly. Also, the electron transport chain is located on the inner membrane of the mitochondria and within the mitochondrions inner membrane are also transport proteins that transport in a highly controlled manner metabolites across this membrane.
