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What was the main building material of ancient Sumerians?
Bricks
What building material is Bauxite mined for?
Bauxite is the main ore of aluminum.
What is the third kind of material carried by plasma?
The three main materials carrier by plasma are: Platelets (thrombocytes) Red Blood Cells (Erythrocytes) White blood cells (leukocytes)
Proteins is considered the building blocks what?
Proteins are the main building blocks for tissues including muscle, hair, nails, skin, eyes, internal organs, nerves, ligaments, tendons, cartilage and membranes. They are also the building blocks of cells, cellular membranes, organelles--all the way to the level of DNA and genes.
What is the main reason Na and K ions CANNOT easily diffuse through plasma membranes?
Na and K ions cannot easily diffuse through plasma membranes because the phospholipid bilayer is hydrophobic, creating a barrier to the movement of ions, which are hydrophilic. Additionally, the presence of ion channels and pumps in the membrane regulates the movement of Na and K ions in and out of the cell through specific mechanisms.
What describes the major role of lipids within a cell?
They are the main structural components of membranes
What is the name of the main positive electrolyte in plasma?
The main positive electrolyte in plasma is sodium (Na+).
Plasma membrane What will be the orientation of plasma membranes main component?
Assuming the main component is phospholipis, the polar heads will be facing the aqueous solution, ie the extracellular environment and cytosol. The non-polar tails will be facing each other. This together creates a lipid bi-layer.
What makes aluminum a popular building material?
Aluminium is often used as a building material for three main reasons. It is very affordable compared to other materials, it is very lightweight and easy to transport, and it can be made into many shapes for multi-purpose applications.
What is the main molecular component of biological membranes?
phosholipids
Are the major lipids of plasma membranes?
The major lipids of plasma membranes are phospholipids, cholesterol, and glycolipids. Phospholipids are the most abundant lipid and form the basic structure of the membrane bilayer, while cholesterol helps maintain membrane fluidity and stability. Glycolipids are located on the outer surface of the membrane and are involved in cell recognition and cell signaling.
What is main constituent of blood?
Plasma and water.
