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what is a potential danger of excess cholesterol in the human body
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How does the structure of phospholipids linear molecules with a polar end and a nonpolar end relate to their function in the cell membrane?
The linear structure of phospholipids allows them to form a bilayer in the cell membrane due to their amphipathic nature, with the polar head facing outward towards water and the nonpolar tails facing inward. This arrangement helps create a barrier that controls the movement of substances in and out of the cell, contributing to the selective permeability of the cell membrane.
A molecule that is positively charge on one end and negatively charged on the other end is called a nonpolar?
Actually, a molecule that is positively charged on one end and negatively charged on the other end is called a polar molecule. Nonpolar molecules have an even distribution of charge.
A phospholipid molecule has a polar and a nonpolar end because of this water molecules form what kind of bond?
hydrogen bonds with the polar end of the phospholipid molecule
Is a dipole polar or nonpolar?
A dipole is polar because it has a separation of charge, with one end being more positive and the other end more negative. This charge asymmetry gives rise to a net dipole moment, making the molecule polar.
Is CH2Cl polar or nonpolar?
CH2Cl is a polar molecule. The electronegativity difference between carbon and chlorine causes an uneven distribution of charge, creating a slightly positive end and a slightly negative end in the molecule.
Is paper polar or nonpolar?
Paper is nonpolar because it is mostly composed of cellulose, which is a nonpolar molecule. Nonpolar substances do not have a separation of charge, meaning they do not have a positive and negative end like polar molecules do.
What is an amphipath?
Amphipathic means both polar and nonpolar. The molecule has a polar end that is attracted to water and a nonpolar end that is repelled by it.
What group does the polar end of a phospholipid contain?
A phospholipid is a type of fat found in the body. Phospholipids are made up of a polar hydrophilic head and a nonpolar hydrophobic tail. Hydrophilic means water-loving and hydrophobic means water hating.
Why common salt is more soluble in water than petrol?
Water is a polar molecule, and therefore dissolves other polar substances and many ionic compounds because of its partially positive hydrogen end and its partially negative oxygen end. However, petrol is a nonpolar substance and only dissolves other nonpolar substances.
A molecule with opposite charges on opposite ends?
This describes a polar molecule, which has a positive charge on one end and a negative charge on the other due to an uneven distribution of electrons. Water is an example of a polar molecule, with the oxygen end being slightly negative and the hydrogen ends being slightly positive.
What is used to help water away greasy dirt?
a molecule with polar and nonpolar end
Is the cholesterol located between the fatty acid chains polar or nonpolar?
Cholesterol, which is often found embedded between the fatty acid chains of the phospholipid bilayer in cell membranes, is largely nonpolar with a small polar region. Here's why: Nonpolar Region: Cholesterol consists of a hydrocarbon tail and a bulky steroid ring structure, both of which are nonpolar. These parts interact well with the nonpolar fatty acid chains of the membrane lipids. Polar Region: Cholesterol has a small hydroxyl group (-OH) at one end, which is polar. This polar group tends to interact with the polar heads of the phospholipids or the aqueous environment. In summary, cholesterol is primarily nonpolar, but it has a minor polar component that allows it to interact with both polar and nonpolar parts of the cell membrane, helping to stabilize its structure. READ MORE : tinyurl .com/4d2hpfdd
