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What molecule number is found in cell membranes and make them selectively permeable?
Phospholipids are the primary molecules found in cell membranes that contribute to their selective permeability. Each phospholipid has a hydrophilic (water-attracting) head and two hydrophobic (water-repelling) tails, allowing them to form a bilayer. This structure creates a barrier that regulates the passage of substances in and out of the cell, permitting only certain molecules to cross while keeping others out. Additionally, embedded proteins and cholesterol further enhance the membrane's selective properties.
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Two atoms linked together is called?
Any number of atoms joined together by means of chemical bonds is called a molecule. The number of atoms in a particular molecule varies.
Small number after a symbol?
The subscript is the number of atoms in a molecule.
A term applied to a hydrocarbon molecule that has the maximum number of hydrogen atoms?
saturated molecule
The number of electrons in one molecule of CO?
There are 22 electrons in one molecule of CO2.
Why permeability number is important in molding sand?
The Mold Must Be Permeable, Porous To Permit The Gases To Escape
Do membranes produce hormones?
No. Glands do. They are composed of a number of tissues.
What is ion and molecule?
a molecule is more than one atom attached together, an ion is an atom/molecule where the number of electrons is not equal to the number of protons in the nucleus
Is two atoms with same number of protons a molecule or element?
Molecule
Total of proton and neutron in a molecule?
The atomic mass of a molecule is equal to the number of protons plus the number of neutrons.
What is meant by atomicity of a molecule?
Atomicity is the number of atoms which constitute one molecule of an element. Simply we can say that it is the number of atoms of an element present in one molecule of that element.
Two atoms linked together is called?
Any number of atoms joined together by means of chemical bonds is called a molecule. The number of atoms in a particular molecule varies.
What is the oxidation number of the F in the fluorine molecule F2?
The oxidation number of fluorine in the fluorine molecule (F2) is 0. In a molecule composed of the same element (like F2), each atom has an oxidation number of 0.
How many protons neutrons and electrons are there in a molecule of water?
The number of neutrons will vary depending on the isotopes of hydrogen and oxygen in the molecule. The number of protons and electrons will be 10 each in every molecule.
Small number after a symbol?
The subscript is the number of atoms in a molecule.
Why did the number of the water molecules on each side of the membrane change where as the number of sugar molecules stayed the same?
The membrane is permeable to water but not to sugar.
A term applied to a hydrocarbon molecule that has the maximum number of hydrogen atoms?
saturated molecule
The number of electrons in one molecule of CO?
There are 22 electrons in one molecule of CO2.
